1157189772930 has 32 divisors (see below), whose sum is σ = 2795647886208. Its totient is φ = 306540336000.

The previous prime is 1157189772901. The next prime is 1157189772971. The reversal of 1157189772930 is 392779817511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127720611 + ... + 127729670.

It is an arithmetic number, because the mean of its divisors is an integer number (87363996444).

Almost surely, 2^{1157189772930} is an apocalyptic number.

1157189772930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157189772930 is an abundant number, since it is smaller than the sum of its proper divisors (1638458113278).

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

1157189772930 is a wasteful number, since it uses less digits than its factorization.

1157189772930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255450442.

The product of its (nonzero) digits is 6667920, while the sum is 60.

The spelling of 1157189772930 in words is "one trillion, one hundred fifty-seven billion, one hundred eighty-nine million, seven hundred seventy-two thousand, nine hundred thirty".