51150601560 has 128 divisors (see below), whose sum is σ = 154387791360. Its totient is φ = 13557196800.

The previous prime is 51150601553. The next prime is 51150601573. The reversal of 51150601560 is 6510605115.

51150601560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18247119 + ... + 18249921.

It is an arithmetic number, because the mean of its divisors is an integer number (1206154620).

Almost surely, 2^51150601560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51150601560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77193895680).

51150601560 is an abundant number, since it is smaller than the sum of its proper divisors (103237189800).

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

51150601560 is a wasteful number, since it uses less digits than its factorization.

51150601560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689 (or 3685 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 51150601560 in words is "fifty-one billion, one hundred fifty million, six hundred one thousand, five hundred sixty".