90001011100001 has 4 divisors (see below), whose sum is σ = 90003629955072. Its totient is φ = 89998392244932.

The previous prime is 90001011099899. The next prime is 90001011100019. The reversal of 90001011100001 is 10000111010009.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90001011100001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90001011100051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1309375985 + ... + 1309444718.

It is an arithmetic number, because the mean of its divisors is an integer number (22500907488768).

Almost surely, 2^{90001011100001} is an apocalyptic number.

It is an amenable number.

90001011100001 is a deficient number, since it is larger than the sum of its proper divisors (2618855071).

90001011100001 is a wasteful number, since it uses less digits than its factorization.

90001011100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618855070.

The product of its (nonzero) digits is 9, while the sum is 14.

The spelling of 90001011100001 in words is "ninety trillion, one billion, eleven million, one hundred thousand, one".