121157160512150 has 48 divisors (see below), whose sum is σ = 257549100374016. Its totient is φ = 41539018300320.

The previous prime is 121157160512131. The next prime is 121157160512209. The reversal of 121157160512150 is 51215061751121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23089877 + ... + 27847023.

It is an arithmetic number, because the mean of its divisors is an integer number (5365606257792).

Almost surely, 2^{121157160512150} is an apocalyptic number.

121157160512150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121157160512150 is an abundant number, since it is smaller than the sum of its proper divisors (136391939861866).

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

121157160512150 is a wasteful number, since it uses less digits than its factorization.

121157160512150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829933 (or 4829928 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 38.

The spelling of 121157160512150 in words is "one hundred twenty-one trillion, one hundred fifty-seven billion, one hundred sixty million, five hundred twelve thousand, one hundred fifty".