90155336911 has 16 divisors (see below), whose sum is σ = 95077398528. Its totient is φ = 85317408000.

The previous prime is 90155336891. The next prime is 90155336941. The reversal of 90155336911 is 11963355109.

It is a cyclic number.

It is not a de Polignac number, because 90155336911 - 2¹⁷ = 90155205839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90155336941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9434586 + ... + 9444136.

It is an arithmetic number, because the mean of its divisors is an integer number (5942337408).

Almost surely, 2^90155336911 is an apocalyptic number.

90155336911 is a deficient number, since it is larger than the sum of its proper divisors (4922061617).

90155336911 is a wasteful number, since it uses less digits than its factorization.

90155336911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13902.

The product of its (nonzero) digits is 109350, while the sum is 43.

The spelling of 90155336911 in words is "ninety billion, one hundred fifty-five million, three hundred thirty-six thousand, nine hundred eleven".