51513214045 has 8 divisors (see below), whose sum is σ = 61915724640. Its totient is φ = 41143992720.

The previous prime is 51513214043. The next prime is 51513214061. The reversal of 51513214045 is 54041231515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51513214045 - 2¹ = 51513214043 is a prime.

It is a super-2 number, since 2×51513214045² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51513213998 and 51513214016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51513214043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8318911 + ... + 8325100.

It is an arithmetic number, because the mean of its divisors is an integer number (7739465580).

Almost surely, 2^51513214045 is an apocalyptic number.

It is an amenable number.

51513214045 is a deficient number, since it is larger than the sum of its proper divisors (10402510595).

51513214045 is a wasteful number, since it uses less digits than its factorization.

51513214045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16644635.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 51513214045 in words is "fifty-one billion, five hundred thirteen million, two hundred fourteen thousand, forty-five".