11731172437475 has 12 divisors (see below), whose sum is σ = 14546707686984. Its totient is φ = 9384903198720.

The previous prime is 11731172437459. The next prime is 11731172437519. The reversal of 11731172437475 is 57473427113711.

It is not a de Polignac number, because 11731172437475 - 2⁴ = 11731172437459 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7659107 + ... + 9062243.

It is an arithmetic number, because the mean of its divisors is an integer number (1212225640582).

Almost surely, 2^{11731172437475} is an apocalyptic number.

11731172437475 is a deficient number, since it is larger than the sum of its proper divisors (2815535249509).

11731172437475 is a wasteful number, since it uses less digits than its factorization.

11731172437475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737574 (or 1737569 counting only the distinct ones).

The product of its digits is 3457440, while the sum is 53.

The spelling of 11731172437475 in words is "eleven trillion, seven hundred thirty-one billion, one hundred seventy-two million, four hundred thirty-seven thousand, four hundred seventy-five".