120572001550 has 96 divisors (see below), whose sum is σ = 301109727744. Its totient is φ = 34690032000.

The previous prime is 120572001541. The next prime is 120572001569. The reversal of 120572001550 is 55100275021.

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, 1154466 + ... + 1254565.

It is an arithmetic number, because the mean of its divisors is an integer number (3136559664).

Almost surely, 2^120572001550 is an apocalyptic number.

120572001550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120572001550 is an abundant number, since it is smaller than the sum of its proper divisors (180537726194).

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

120572001550 is a wasteful number, since it uses less digits than its factorization.

120572001550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409074 (or 2409069 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 28.

Adding to 120572001550 its reverse (55100275021), we get a palindrome (175672276571).

The spelling of 120572001550 in words is "one hundred twenty billion, five hundred seventy-two million, one thousand, five hundred fifty".