90910110011 has 8 divisors (see below), whose sum is σ = 104272351200. Its totient is φ = 77641639488.

The previous prime is 90910110007. The next prime is 90910110023. The reversal of 90910110011 is 11001101909.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90910110011 - 2² = 90910110007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90910110001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23440586 + ... + 23444463.

It is an arithmetic number, because the mean of its divisors is an integer number (13034043900).

Almost surely, 2^90910110011 is an apocalyptic number.

90910110011 is a deficient number, since it is larger than the sum of its proper divisors (13362241189).

90910110011 is a wasteful number, since it uses less digits than its factorization.

90910110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46885333.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 90910110011 in words is "ninety billion, nine hundred ten million, one hundred ten thousand, eleven".