11947158174 has 16 divisors (see below), whose sum is σ = 27307790208. Its totient is φ = 3413473752.

The previous prime is 11947158149. The next prime is 11947158259. The reversal of 11947158174 is 47185174911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142228032 + ... + 142228115.

It is an arithmetic number, because the mean of its divisors is an integer number (1706736888).

Almost surely, 2^11947158174 is an apocalyptic number.

11947158174 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11947158174 is an abundant number, since it is smaller than the sum of its proper divisors (15360632034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11947158174 is a wasteful number, since it uses less digits than its factorization.

11947158174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284456159.

The product of its digits is 282240, while the sum is 48.

The spelling of 11947158174 in words is "eleven billion, nine hundred forty-seven million, one hundred fifty-eight thousand, one hundred seventy-four".