120598575551 has 4 divisors (see below), whose sum is σ = 120807585792. Its totient is φ = 120389565312.

The previous prime is 120598575547. The next prime is 120598575653. The reversal of 120598575551 is 155575895021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120598575551 - 2² = 120598575547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120598575493 and 120598575502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120598505551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104504255 + ... + 104505408.

It is an arithmetic number, because the mean of its divisors is an integer number (30201896448).

Almost surely, 2^120598575551 is an apocalyptic number.

120598575551 is a deficient number, since it is larger than the sum of its proper divisors (209010241).

120598575551 is an equidigital number, since it uses as much as digits as its factorization.

120598575551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209010240.

The product of its (nonzero) digits is 3150000, while the sum is 53.

The spelling of 120598575551 in words is "one hundred twenty billion, five hundred ninety-eight million, five hundred seventy-five thousand, five hundred fifty-one".