51011001056111 has 8 divisors (see below), whose sum is σ = 53719413943920. Its totient is φ = 48304950504192.

The previous prime is 51011001056053. The next prime is 51011001056117. The reversal of 51011001056111 is 11165010011015.

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 51011001056111 - 2¹⁴ = 51011001039727 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 (51011001056117) 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, 590539640 + ... + 590626013.

It is an arithmetic number, because the mean of its divisors is an integer number (6714926742990).

Almost surely, 2^{51011001056111} is an apocalyptic number.

51011001056111 is a deficient number, since it is larger than the sum of its proper divisors (2708412887809).

51011001056111 is a wasteful number, since it uses less digits than its factorization.

51011001056111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181167945.

The product of its (nonzero) digits is 150, while the sum is 23.

Adding to 51011001056111 its reverse (11165010011015), we get a palindrome (62176011067126).

The spelling of 51011001056111 in words is "fifty-one trillion, eleven billion, one million, fifty-six thousand, one hundred eleven".