120552135640 has 64 divisors (see below), whose sum is σ = 271847871360. Its totient is φ = 48113349120.

The previous prime is 120552135619. The next prime is 120552135653. The reversal of 120552135640 is 46531255021.

It is a junction number, because it is equal to n+sod(n) for n = 120552135596 and 120552135605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47404209 + ... + 47406751.

It is an arithmetic number, because the mean of its divisors is an integer number (4247622990).

Almost surely, 2^120552135640 is an apocalyptic number.

120552135640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120552135640 is an abundant number, since it is smaller than the sum of its proper divisors (151295735720).

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

120552135640 is a wasteful number, since it uses less digits than its factorization.

120552135640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732 (or 4728 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 120552135640 in words is "one hundred twenty billion, five hundred fifty-two million, one hundred thirty-five thousand, six hundred forty".