11731105995 has 128 divisors (see below), whose sum is σ = 22394880000. Its totient is φ = 5133918720.

The previous prime is 11731105979. The next prime is 11731106021. The reversal of 11731105995 is 59950113711.

It is not a de Polignac number, because 11731105995 - 2⁴ = 11731105979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 65536816 + ... + 65536994.

It is an arithmetic number, because the mean of its divisors is an integer number (174960000).

Almost surely, 2^11731105995 is an apocalyptic number.

11731105995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11731105995 is a deficient number, since it is larger than the sum of its proper divisors (10663774005).

11731105995 is a wasteful number, since it uses less digits than its factorization.

11731105995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 42525, while the sum is 42.

The spelling of 11731105995 in words is "eleven billion, seven hundred thirty-one million, one hundred five thousand, nine hundred ninety-five".