1045513601531 has 16 divisors (see below), whose sum is σ = 1218239011584. Its totient is φ = 878652594144.

The previous prime is 1045513601519. The next prime is 1045513601617. The reversal of 1045513601531 is 1351063155401.

It is a cyclic number.

It is not a de Polignac number, because 1045513601531 - 2⁶ = 1045513601467 is a prime.

It is a super-2 number, since 2×1045513601531² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1045513601491 and 1045513601500.

It is not an unprimeable number, because it can be changed into a prime (1045513600531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399941 + ... + 1500326.

It is an arithmetic number, because the mean of its divisors is an integer number (76139938224).

Almost surely, 2^{1045513601531} is an apocalyptic number.

1045513601531 is a deficient number, since it is larger than the sum of its proper divisors (172725410053).

1045513601531 is a wasteful number, since it uses less digits than its factorization.

1045513601531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901810.

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 1045513601531 its reverse (1351063155401), we get a palindrome (2396576756932).

The spelling of 1045513601531 in words is "one trillion, forty-five billion, five hundred thirteen million, six hundred one thousand, five hundred thirty-one".