157315591398 has 32 divisors (see below), whose sum is σ = 359596468224. Its totient is φ = 44945065152.

The previous prime is 157315591379. The next prime is 157315591399. The reversal of 157315591398 is 893195513751.

157315591398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157315591399) by changing a digit.

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, 874411 + ... + 1038857.

It is an arithmetic number, because the mean of its divisors is an integer number (11237389632).

Almost surely, 2^157315591398 is an apocalyptic number.

157315591398 is an abundant number, since it is smaller than the sum of its proper divisors (202280876826).

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

157315591398 is a wasteful number, since it uses less digits than its factorization.

157315591398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187236.

The product of its digits is 5103000, while the sum is 57.

The spelling of 157315591398 in words is "one hundred fifty-seven billion, three hundred fifteen million, five hundred ninety-one thousand, three hundred ninety-eight".