1157591948 has 48 divisors (see below), whose sum is σ = 2268362880. Its totient is φ = 513674496.

The previous prime is 1157591917. The next prime is 1157592077. The reversal of 1157591948 is 8491957511.

It is a junction number, because it is equal to n+sod(n) for n = 1157591896 and 1157591905.

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, 291311 + ... + 295257.

It is an arithmetic number, because the mean of its divisors is an integer number (47257560).

Almost surely, 2^1157591948 is an apocalyptic number.

It is an amenable number.

1157591948 is a deficient number, since it is larger than the sum of its proper divisors (1110770932).

1157591948 is a wasteful number, since it uses less digits than its factorization.

1157591948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214 (or 4212 counting only the distinct ones).

The product of its digits is 453600, while the sum is 50.

The square root of 1157591948 is about 34023.4029456197. The cubic root of 1157591948 is about 1049.9900068588.

The spelling of 1157591948 in words is "one billion, one hundred fifty-seven million, five hundred ninety-one thousand, nine hundred forty-eight".