1545225511041 has 45 divisors (see below), whose sum is σ = 2349090133203. Its totient is φ = 1012257576720.

The previous prime is 1545225511031. The next prime is 1545225511111. The reversal of 1545225511041 is 1401155225451.

The square root of 1545225511041 is 1243071.

It is a perfect power (a square), and thus also a powerful number.

1545225511041 is a `hidden beast` number, since 1 + 5 + 4 + 52 + 2 + 551 + 10 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1008258982641 + 536966528400 = 1004121^2 + 732780^2 .

It is not a de Polignac number, because 1545225511041 - 2¹¹ = 1545225508993 is a prime.

It is a super-2 number, since 2×1545225511041² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1545225510987 and 1545225511005.

It is not an unprimeable number, because it can be changed into a prime (1545225511021) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 660069531 + ... + 660071871.

Almost surely, 2^{1545225511041} is an apocalyptic number.

1545225511041 is the 1243071-st square number.

1545225511041 is the 621536-th centered octagonal number.

It is an amenable number.

1545225511041 is a deficient number, since it is larger than the sum of its proper divisors (803864622162).

1545225511041 is an frugal number, since it uses more digits than its factorization.

1545225511041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4812 (or 2403 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

Multiplying 1545225511041 by its sum of digits (36), we get a square (55628118397476 = 7458426²).

The spelling of 1545225511041 in words is "one trillion, five hundred forty-five billion, two hundred twenty-five million, five hundred eleven thousand, forty-one".