5156125782 has 8 divisors (see below), whose sum is σ = 10312251576. Its totient is φ = 1718708592.

The previous prime is 5156125697. The next prime is 5156125801. The reversal of 5156125782 is 2875216515.

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

5156125782 is an admirable number.

It is a super-2 number, since 2×5156125782² = 53171266159610223048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429677143 + ... + 429677154.

It is an arithmetic number, because the mean of its divisors is an integer number (1289031447).

Almost surely, 2^5156125782 is an apocalyptic number.

5156125782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

5156125782 is a wasteful number, since it uses less digits than its factorization.

5156125782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859354302.

The product of its digits is 168000, while the sum is 42.

The square root of 5156125782 is about 71806.1681333853. The cubic root of 5156125782 is about 1727.5919342770.

The spelling of 5156125782 in words is "five billion, one hundred fifty-six million, one hundred twenty-five thousand, seven hundred eighty-two".