51027075011 has 4 divisors (see below), whose sum is σ = 55665900024. Its totient is φ = 46388250000.

The previous prime is 51027074977. The next prime is 51027075037. The reversal of 51027075011 is 11057072015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51027075011 - 2¹⁸ = 51026812867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51027075091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2319412490 + ... + 2319412511.

It is an arithmetic number, because the mean of its divisors is an integer number (13916475006).

Almost surely, 2^51027075011 is an apocalyptic number.

51027075011 is a deficient number, since it is larger than the sum of its proper divisors (4638825013).

51027075011 is a wasteful number, since it uses less digits than its factorization.

51027075011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638825012.

The product of its (nonzero) digits is 2450, while the sum is 29.

The spelling of 51027075011 in words is "fifty-one billion, twenty-seven million, seventy-five thousand, eleven".