11157816948 has 48 divisors (see below), whose sum is σ = 27175464960. Its totient is φ = 3556437984.

The previous prime is 11157816893. The next prime is 11157816973. The reversal of 11157816948 is 84961875111.

It is a self number, because there is not a number n which added to its sum of digits gives 11157816948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1554993 + ... + 1562151.

It is an arithmetic number, because the mean of its divisors is an integer number (566155520).

Almost surely, 2^11157816948 is an apocalyptic number.

It is an amenable number.

11157816948 is an abundant number, since it is smaller than the sum of its proper divisors (16017648012).

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

11157816948 is a wasteful number, since it uses less digits than its factorization.

11157816948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12836 (or 12834 counting only the distinct ones).

The product of its digits is 483840, while the sum is 51.

The spelling of 11157816948 in words is "eleven billion, one hundred fifty-seven million, eight hundred sixteen thousand, nine hundred forty-eight".