51411236112511 has 32 divisors (see below), whose sum is σ = 58593589850880. Its totient is φ = 44679374476800.

The previous prime is 51411236112491. The next prime is 51411236112557. The reversal of 51411236112511 is 11521163211415.

It is a cyclic number.

It is not a de Polignac number, because 51411236112511 - 2⁴⁵ = 16226864023679 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 (51411236112581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61399015 + ... + 62230711.

It is an arithmetic number, because the mean of its divisors is an integer number (1831049682840).

Almost surely, 2^{51411236112511} is an apocalyptic number.

51411236112511 is a deficient number, since it is larger than the sum of its proper divisors (7182353738369).

51411236112511 is a wasteful number, since it uses less digits than its factorization.

51411236112511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833655.

The product of its digits is 7200, while the sum is 34.

Adding to 51411236112511 its reverse (11521163211415), we get a palindrome (62932399323926).

The spelling of 51411236112511 in words is "fifty-one trillion, four hundred eleven billion, two hundred thirty-six million, one hundred twelve thousand, five hundred eleven".