1501040505225 has 24 divisors (see below), whose sum is σ = 2481788289312. Its totient is φ = 800533004800.

The previous prime is 1501040505197. The next prime is 1501040505227. The reversal of 1501040505225 is 5225050401051.

It is not a de Polignac number, because 1501040505225 - 2¹¹ = 1501040503177 is a prime.

It is a super-2 number, since 2×1501040505225² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1501040505192 and 1501040505201.

It is not an unprimeable number, because it can be changed into a prime (1501040505227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2694745 + ... + 3203705.

It is an arithmetic number, because the mean of its divisors is an integer number (103407845388).

Almost surely, 2^{1501040505225} is an apocalyptic number.

1501040505225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1501040505225 is a deficient number, since it is larger than the sum of its proper divisors (980747784087).

1501040505225 is a wasteful number, since it uses less digits than its factorization.

1501040505225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548297 (or 548292 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

Adding to 1501040505225 its reverse (5225050401051), we get a palindrome (6726090906276).

The spelling of 1501040505225 in words is "one trillion, five hundred one billion, forty million, five hundred five thousand, two hundred twenty-five".