5121605376 has 180 divisors, whose sum is σ = 15336066592. Its totient is φ = 1700020224.

The previous prime is 5121605371. The next prime is 5121605383. The reversal of 5121605376 is 6735061215.

5121605376 is a `hidden beast` number, since 5 + 12 + 1 + 605 + 37 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5121605376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121605371) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7609776 + ... + 7610448.

Almost surely, 2^5121605376 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 5121605376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7668033296).

5121605376 is an abundant number, since it is smaller than the sum of its proper divisors (10214461216).

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

5121605376 is an equidigital number, since it uses as much as digits as its factorization.

5121605376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 5121605376 is about 71565.3923066170. The cubic root of 5121605376 is about 1723.7278726671.

The spelling of 5121605376 in words is "five billion, one hundred twenty-one million, six hundred five thousand, three hundred seventy-six".