13432045455531 has 24 divisors (see below), whose sum is σ = 19410990144000. Its totient is φ = 8950476447792.

The previous prime is 13432045455457. The next prime is 13432045455553. The reversal of 13432045455531 is 13555454023431.

13432045455531 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 20 + 4 + 545 + 55 + 31 = 666.

It is not a de Polignac number, because 13432045455531 - 2⁹ = 13432045455019 is a prime.

It is a super-2 number, since 2×13432045455531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13432045055531) 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, 173459340 + ... + 173536758.

It is an arithmetic number, because the mean of its divisors is an integer number (808791256000).

Almost surely, 2^{13432045455531} is an apocalyptic number.

13432045455531 is a deficient number, since it is larger than the sum of its proper divisors (5978944688469).

13432045455531 is a wasteful number, since it uses less digits than its factorization.

13432045455531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86263 (or 86260 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

Adding to 13432045455531 its reverse (13555454023431), we get a palindrome (26987499478962).

The spelling of 13432045455531 in words is "thirteen trillion, four hundred thirty-two billion, forty-five million, four hundred fifty-five thousand, five hundred thirty-one".