51426715111 has 8 divisors (see below), whose sum is σ = 51778443600. Its totient is φ = 51075074688.

The previous prime is 51426715073. The next prime is 51426715121. The reversal of 51426715111 is 11151762415.

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

It is a cyclic number.

It is not a de Polignac number, because 51426715111 - 2¹⁵ = 51426682343 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 (51426715121) 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, 1512975 + ... + 1546591.

It is an arithmetic number, because the mean of its divisors is an integer number (6472305450).

Almost surely, 2^51426715111 is an apocalyptic number.

51426715111 is a deficient number, since it is larger than the sum of its proper divisors (351728489).

51426715111 is a wasteful number, since it uses less digits than its factorization.

51426715111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44033.

The product of its digits is 8400, while the sum is 34.

The spelling of 51426715111 in words is "fifty-one billion, four hundred twenty-six million, seven hundred fifteen thousand, one hundred eleven".