90126015065 has 32 divisors (see below), whose sum is σ = 112303825920. Its totient is φ = 69377416704.

The previous prime is 90126015061. The next prime is 90126015071. The reversal of 90126015065 is 56051062109.

It is a cyclic number.

It is not a de Polignac number, because 90126015065 - 2² = 90126015061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90126015061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16327376 + ... + 16332894.

It is an arithmetic number, because the mean of its divisors is an integer number (3509494560).

Almost surely, 2^90126015065 is an apocalyptic number.

It is an amenable number.

90126015065 is a deficient number, since it is larger than the sum of its proper divisors (22177810855).

90126015065 is a wasteful number, since it uses less digits than its factorization.

90126015065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521.

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 90126015065 in words is "ninety billion, one hundred twenty-six million, fifteen thousand, sixty-five".