51556510151 has 8 divisors (see below), whose sum is σ = 52407793008. Its totient is φ = 50705424000.

The previous prime is 51556510121. The next prime is 51556510163. The reversal of 51556510151 is 15101565515.

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

It is a cyclic number.

It is not a de Polignac number, because 51556510151 - 2⁶ = 51556510087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51556510121) 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, 536396 + ... + 625166.

It is an arithmetic number, because the mean of its divisors is an integer number (6550974126).

Almost surely, 2^51556510151 is an apocalyptic number.

51556510151 is a deficient number, since it is larger than the sum of its proper divisors (851282857).

51556510151 is an equidigital number, since it uses as much as digits as its factorization.

51556510151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98353.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 51556510151 in words is "fifty-one billion, five hundred fifty-six million, five hundred ten thousand, one hundred fifty-one".