1045203500601 has 20 divisors (see below), whose sum is σ = 1681457485092. Its totient is φ = 643202153568.

The previous prime is 1045203500599. The next prime is 1045203500617. The reversal of 1045203500601 is 1060053025401.

1045203500601 is a `hidden beast` number, since 1 + 0 + 4 + 5 + 2 + 0 + 3 + 50 + 0 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 490028000400 + 555175500201 = 700020^2 + 745101^2 .

It is not a de Polignac number, because 1045203500601 - 2¹ = 1045203500599 is a prime.

It is a super-2 number, since 2×1045203500601² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1045203500641) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 496296906 + ... + 496299011.

Almost surely, 2^{1045203500601} is an apocalyptic number.

It is an amenable number.

1045203500601 is a deficient number, since it is larger than the sum of its proper divisors (636253984491).

1045203500601 is an equidigital number, since it uses as much as digits as its factorization.

1045203500601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992595942 (or 992595933 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 1045203500601 in words is "one trillion, forty-five billion, two hundred three million, five hundred thousand, six hundred one".