9112042661531 has 4 divisors (see below), whose sum is σ = 9426251029200. Its totient is φ = 8797834293864.

The previous prime is 9112042661503. The next prime is 9112042661591. The reversal of 9112042661531 is 1351662402119.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9112042661531 is a prime.

It is a super-2 number, since 2×9112042661531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9112042661591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157104183791 + ... + 157104183848.

It is an arithmetic number, because the mean of its divisors is an integer number (2356562757300).

Almost surely, 2^{9112042661531} is an apocalyptic number.

9112042661531 is a deficient number, since it is larger than the sum of its proper divisors (314208367669).

9112042661531 is a wasteful number, since it uses less digits than its factorization.

9112042661531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314208367668.

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 9112042661531 in words is "nine trillion, one hundred twelve billion, forty-two million, six hundred sixty-one thousand, five hundred thirty-one".