157922520371 has 18 divisors (see below), whose sum is σ = 200418023988. Its totient is φ = 123049320240.

The previous prime is 157922520367. The next prime is 157922520383. The reversal of 157922520371 is 173025229751.

157922520371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157922520371 - 2² = 157922520367 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157922520271) 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 17 ways as a sum of consecutive naturals, for example, 9217505 + ... + 9234621.

It is an arithmetic number, because the mean of its divisors is an integer number (11134334666).

Almost surely, 2^157922520371 is an apocalyptic number.

157922520371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157922520371 is a deficient number, since it is larger than the sum of its proper divisors (42495503617).

157922520371 is an frugal number, since it uses more digits than its factorization.

157922520371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34259 (or 17135 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 44.

Multiplying 157922520371 by its sum of digits (44), we get a square (6948590896324 = 2636018²).

The spelling of 157922520371 in words is "one hundred fifty-seven billion, nine hundred twenty-two million, five hundred twenty thousand, three hundred seventy-one".