1157418898 has 32 divisors (see below), whose sum is σ = 1812222720. Its totient is φ = 554031360.

The previous prime is 1157418859. The next prime is 1157418901. The reversal of 1157418898 is 8988147511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 849738 + ... + 851098.

It is an arithmetic number, because the mean of its divisors is an integer number (56631960).

Almost surely, 2^1157418898 is an apocalyptic number.

1157418898 is a deficient number, since it is larger than the sum of its proper divisors (654803822).

1157418898 is a wasteful number, since it uses less digits than its factorization.

1157418898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602.

The product of its digits is 645120, while the sum is 52.

The square root of 1157418898 is about 34020.8597481016. The cubic root of 1157418898 is about 1049.9376827717.

The spelling of 1157418898 in words is "one billion, one hundred fifty-seven million, four hundred eighteen thousand, eight hundred ninety-eight".