51023402411 has 4 divisors (see below), whose sum is σ = 51024434400. Its totient is φ = 51022370424.

The previous prime is 51023402333. The next prime is 51023402453. The reversal of 51023402411 is 11420432015.

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 51023402411 - 2²⁶ = 50956293547 is a prime.

It is a super-2 number, since 2×51023402411² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51023402461) 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, 437891 + ... + 542028.

It is an arithmetic number, because the mean of its divisors is an integer number (12756108600).

Almost surely, 2^51023402411 is an apocalyptic number.

51023402411 is a deficient number, since it is larger than the sum of its proper divisors (1031989).

51023402411 is an equidigital number, since it uses as much as digits as its factorization.

51023402411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031988.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 51023402411 its reverse (11420432015), we get a palindrome (62443834426).

The spelling of 51023402411 in words is "fifty-one billion, twenty-three million, four hundred two thousand, four hundred eleven".