51662771127015 has 16 divisors (see below), whose sum is σ = 86254365708288. Its totient is φ = 26355500632736.

The previous prime is 51662771126999. The next prime is 51662771127073. The reversal of 51662771127015 is 51072117726615.

It is a cyclic number.

It is not a de Polignac number, because 51662771127015 - 2⁴ = 51662771126999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74873580999 + ... + 74873581688.

It is an arithmetic number, because the mean of its divisors is an integer number (5390897856768).

Almost surely, 2^{51662771127015} is an apocalyptic number.

51662771127015 is a deficient number, since it is larger than the sum of its proper divisors (34591594581273).

51662771127015 is a wasteful number, since it uses less digits than its factorization.

51662771127015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149747162718.

The product of its (nonzero) digits is 1234800, while the sum is 51.

The spelling of 51662771127015 in words is "fifty-one trillion, six hundred sixty-two billion, seven hundred seventy-one million, one hundred twenty-seven thousand, fifteen".