157120250379 has 4 divisors (see below), whose sum is σ = 209493667176. Its totient is φ = 104746833584.

The previous prime is 157120250377. The next prime is 157120250449. The reversal of 157120250379 is 973052021751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157120250379 - 2¹ = 157120250377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157120250379.

It is not an unprimeable number, because it can be changed into a prime (157120250377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26186708394 + ... + 26186708399.

It is an arithmetic number, because the mean of its divisors is an integer number (52373416794).

Almost surely, 2^157120250379 is an apocalyptic number.

157120250379 is a deficient number, since it is larger than the sum of its proper divisors (52373416797).

157120250379 is an equidigital number, since it uses as much as digits as its factorization.

157120250379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52373416796.

The product of its (nonzero) digits is 132300, while the sum is 42.

The spelling of 157120250379 in words is "one hundred fifty-seven billion, one hundred twenty million, two hundred fifty thousand, three hundred seventy-nine".