51120536240044 has 12 divisors (see below), whose sum is σ = 89468297305744. Its totient is φ = 25558165581264.

The previous prime is 51120536240041. The next prime is 51120536240047. The reversal of 51120536240044 is 44004263502115.

It is an interprime number because it is at equal distance from previous prime (51120536240041) and next prime (51120536240047).

It is a super-2 number, since 2×51120536240044² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51120536239985 and 51120536240012.

It is not an unprimeable number, because it can be changed into a prime (51120536240041) 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, 525579984 + ... + 525677239.

Almost surely, 2^{51120536240044} is an apocalyptic number.

It is an amenable number.

51120536240044 is a deficient number, since it is larger than the sum of its proper divisors (38347761065700).

51120536240044 is a wasteful number, since it uses less digits than its factorization.

51120536240044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051269384 (or 1051269382 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 51120536240044 its reverse (44004263502115), we get a palindrome (95124799742159).

The spelling of 51120536240044 in words is "fifty-one trillion, one hundred twenty billion, five hundred thirty-six million, two hundred forty thousand, forty-four".