51013250452131 has 16 divisors (see below), whose sum is σ = 75308570548608. Its totient is φ = 30455671910400.

The previous prime is 51013250452063. The next prime is 51013250452181. The reversal of 51013250452131 is 13125405231015.

It is not a de Polignac number, because 51013250452131 - 2¹⁵ = 51013250419363 is a prime.

It is a super-3 number, since 3×51013250452131³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 51013250452092 and 51013250452101.

It is not an unprimeable number, because it can be changed into a prime (51013250452181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11536237150 + ... + 11536241571.

It is an arithmetic number, because the mean of its divisors is an integer number (4706785659288).

Almost surely, 2^{51013250452131} is an apocalyptic number.

51013250452131 is a deficient number, since it is larger than the sum of its proper divisors (24295320096477).

51013250452131 is a wasteful number, since it uses less digits than its factorization.

51013250452131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23072478802.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 51013250452131 its reverse (13125405231015), we get a palindrome (64138655683146).

The spelling of 51013250452131 in words is "fifty-one trillion, thirteen billion, two hundred fifty million, four hundred fifty-two thousand, one hundred thirty-one".