120253431052155 has 16 divisors (see below), whose sum is σ = 192405710467584. Its totient is φ = 64135089633120.

The previous prime is 120253431052127. The next prime is 120253431052159. The reversal of 120253431052155 is 551250134352021.

It is not a de Polignac number, because 120253431052155 - 2¹² = 120253431048059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120253431052159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10508910 + ... + 18733500.

It is an arithmetic number, because the mean of its divisors is an integer number (12025356904224).

Almost surely, 2^{120253431052155} is an apocalyptic number.

120253431052155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120253431052155 is a deficient number, since it is larger than the sum of its proper divisors (72152279415429).

120253431052155 is an equidigital number, since it uses as much as digits as its factorization.

120253431052155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9199346.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 120253431052155 in words is "one hundred twenty trillion, two hundred fifty-three billion, four hundred thirty-one million, fifty-two thousand, one hundred fifty-five".