157158730000 has 50 divisors (see below), whose sum is σ = 380497025414. Its totient is φ = 62863488000.

The previous prime is 157158729997. The next prime is 157158730061. The reversal of 157158730000 is 37851751.

It can be written as a sum of positive squares in 5 ways, for example, as 39128004864 + 118030725136 = 197808^2 + 343556^2 .

It is a tau number, because it is divible by the number of its divisors (50).

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 9 ways as a sum of consecutive naturals, for example, 7847937 + ... + 7867936.

Almost surely, 2^157158730000 is an apocalyptic number.

157158730000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157158730000 is an abundant number, since it is smaller than the sum of its proper divisors (223338295414).

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

157158730000 is an equidigital number, since it uses as much as digits as its factorization.

157158730000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15715901 (or 15715880 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 157158730000 in words is "one hundred fifty-seven billion, one hundred fifty-eight million, seven hundred thirty thousand".