51625436711 has 4 divisors (see below), whose sum is σ = 51728895000. Its totient is φ = 51521978424.

The previous prime is 51625436683. The next prime is 51625436741. The reversal of 51625436711 is 11763452615.

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 51625436711 - 2¹⁸ = 51625174567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51625436741) 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, 51728396 + ... + 51729393.

It is an arithmetic number, because the mean of its divisors is an integer number (12932223750).

Almost surely, 2^51625436711 is an apocalyptic number.

51625436711 is a deficient number, since it is larger than the sum of its proper divisors (103458289).

51625436711 is a wasteful number, since it uses less digits than its factorization.

51625436711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103458288.

The product of its digits is 151200, while the sum is 41.

The spelling of 51625436711 in words is "fifty-one billion, six hundred twenty-five million, four hundred thirty-six thousand, seven hundred eleven".