51556155151 has 8 divisors (see below), whose sum is σ = 52442218800. Its totient is φ = 50673520128.

The previous prime is 51556155109. The next prime is 51556155197. The reversal of 51556155151 is 15155165515.

It is a happy number.

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 51556155151 - 2²⁵ = 51522600719 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51556155451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826816 + ... + 886981.

It is an arithmetic number, because the mean of its divisors is an integer number (6555277350).

Almost surely, 2^51556155151 is an apocalyptic number.

51556155151 is a deficient number, since it is larger than the sum of its proper divisors (886063649).

51556155151 is a wasteful number, since it uses less digits than its factorization.

51556155151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714313.

The product of its digits is 93750, while the sum is 40.

The spelling of 51556155151 in words is "fifty-one billion, five hundred fifty-six million, one hundred fifty-five thousand, one hundred fifty-one".