120616511559 has 8 divisors (see below), whose sum is σ = 160824041712. Its totient is φ = 80409994560.

The previous prime is 120616511551. The next prime is 120616511563. The reversal of 120616511559 is 955115616021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120616511559 - 2³ = 120616511551 is a prime.

It is a super-2 number, since 2×120616511559² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120616511559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120616511551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91579 + ... + 499619.

It is an arithmetic number, because the mean of its divisors is an integer number (20103005214).

Almost surely, 2^120616511559 is an apocalyptic number.

120616511559 is a deficient number, since it is larger than the sum of its proper divisors (40207530153).

120616511559 is an equidigital number, since it uses as much as digits as its factorization.

120616511559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506577.

The product of its (nonzero) digits is 81000, while the sum is 42.

The spelling of 120616511559 in words is "one hundred twenty billion, six hundred sixteen million, five hundred eleven thousand, five hundred fifty-nine".