120251352551550 has 96 divisors (see below), whose sum is σ = 325347807371904. Its totient is φ = 29150656752000.

The previous prime is 120251352551531. The next prime is 120251352551567. The reversal of 120251352551550 is 55155253152021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39418177 + ... + 42359123.

It is an arithmetic number, because the mean of its divisors is an integer number (3389039660124).

Almost surely, 2^{120251352551550} is an apocalyptic number.

120251352551550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120251352551550 is an abundant number, since it is smaller than the sum of its proper divisors (205096454820354).

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

120251352551550 is a wasteful number, since it uses less digits than its factorization.

120251352551550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965754 (or 2965749 counting only the distinct ones).

The product of its (nonzero) digits is 375000, while the sum is 42.

The spelling of 120251352551550 in words is "one hundred twenty trillion, two hundred fifty-one billion, three hundred fifty-two million, five hundred fifty-one thousand, five hundred fifty".