51115552521662 has 8 divisors (see below), whose sum is σ = 76837511500776. Its totient is φ = 25503048688072.

The previous prime is 51115552521619. The next prime is 51115552521673. The reversal of 51115552521662 is 26612525551115.

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

It is a super-2 number, since 2×51115552521662² (a number of 28 digits) 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, 27363785213 + ... + 27363787080.

It is an arithmetic number, because the mean of its divisors is an integer number (9604688937597).

Almost surely, 2^{51115552521662} is an apocalyptic number.

51115552521662 is a deficient number, since it is larger than the sum of its proper divisors (25721958979114).

51115552521662 is a wasteful number, since it uses less digits than its factorization.

51115552521662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54727572762.

The product of its digits is 900000, while the sum is 47.

The spelling of 51115552521662 in words is "fifty-one trillion, one hundred fifteen billion, five hundred fifty-two million, five hundred twenty-one thousand, six hundred sixty-two".