51245415746 has 16 divisors (see below), whose sum is σ = 88309232640. Its totient is φ = 21847333920.

The previous prime is 51245415713. The next prime is 51245415751. The reversal of 51245415746 is 64751454215.

It is a super-3 number, since 3×51245415746³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51245415697 and 51245415706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9579491 + ... + 9584838.

It is an arithmetic number, because the mean of its divisors is an integer number (5519327040).

Almost surely, 2^51245415746 is an apocalyptic number.

51245415746 is a deficient number, since it is larger than the sum of its proper divisors (37063816894).

51245415746 is a wasteful number, since it uses less digits than its factorization.

51245415746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19164529.

The product of its digits is 672000, while the sum is 44.

The spelling of 51245415746 in words is "fifty-one billion, two hundred forty-five million, four hundred fifteen thousand, seven hundred forty-six".