11637947948 has 36 divisors (see below), whose sum is σ = 22437621360. Its totient is φ = 5277829920.

The previous prime is 11637947939. The next prime is 11637947957. The reversal of 11637947948 is 84974973611.

It is an interprime number because it is at equal distance from previous prime (11637947939) and next prime (11637947957).

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, 185090 + ... + 239862.

It is an arithmetic number, because the mean of its divisors is an integer number (623267260).

Almost surely, 2^11637947948 is an apocalyptic number.

It is an amenable number.

11637947948 is a deficient number, since it is larger than the sum of its proper divisors (10799673412).

11637947948 is a wasteful number, since it uses less digits than its factorization.

11637947948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55238 (or 55225 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 59.

The spelling of 11637947948 in words is "eleven billion, six hundred thirty-seven million, nine hundred forty-seven thousand, nine hundred forty-eight".