51130240544363 has 4 divisors (see below), whose sum is σ = 51200570999760. Its totient is φ = 51059910088968.

The previous prime is 51130240544323. The next prime is 51130240544431. The reversal of 51130240544363 is 36344504203115.

It is a happy number.

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 51130240544363 - 2²⁶ = 51130173435499 is a prime.

It is a super-2 number, since 2×51130240544363² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51130240544363.

It is not an unprimeable number, because it can be changed into a prime (51130240544323) 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, 35165226608 + ... + 35165228061.

It is an arithmetic number, because the mean of its divisors is an integer number (12800142749940).

Almost surely, 2^{51130240544363} is an apocalyptic number.

51130240544363 is a deficient number, since it is larger than the sum of its proper divisors (70330455397).

51130240544363 is an equidigital number, since it uses as much as digits as its factorization.

51130240544363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70330455396.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 51130240544363 its reverse (36344504203115), we get a palindrome (87474744747478).

The spelling of 51130240544363 in words is "fifty-one trillion, one hundred thirty billion, two hundred forty million, five hundred forty-four thousand, three hundred sixty-three".