911090961 has 48 divisors (see below), whose sum is σ = 1488334848. Its totient is φ = 532072800.

The previous prime is 911090933. The next prime is 911090969. The reversal of 911090961 is 169090119.

It is not a de Polignac number, because 911090961 - 2¹⁰ = 911089937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (911090969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 941700 + ... + 942666.

It is an arithmetic number, because the mean of its divisors is an integer number (31006976).

Almost surely, 2^911090961 is an apocalyptic number.

It is an amenable number.

911090961 is a deficient number, since it is larger than the sum of its proper divisors (577243887).

911090961 is a wasteful number, since it uses less digits than its factorization.

911090961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 36.

The square root of 911090961 is about 30184.2833441511. The cubic root of 911090961 is about 969.4392057285.

The spelling of 911090961 in words is "nine hundred eleven million, ninety thousand, nine hundred sixty-one".