90100191011 has 8 divisors (see below), whose sum is σ = 90297937824. Its totient is φ = 89902612800.

The previous prime is 90100191001. The next prime is 90100191017. The reversal of 90100191011 is 11019100109.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 90100191011 - 2²² = 90095996707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90100191017) 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, 1059161 + ... + 1141061.

It is an arithmetic number, because the mean of its divisors is an integer number (11287242228).

Almost surely, 2^90100191011 is an apocalyptic number.

90100191011 is a deficient number, since it is larger than the sum of its proper divisors (197746813).

90100191011 is a wasteful number, since it uses less digits than its factorization.

90100191011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84301.

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

The spelling of 90100191011 in words is "ninety billion, one hundred million, one hundred ninety-one thousand, eleven".