51085512526 has 8 divisors (see below), whose sum is σ = 76643154864. Its totient is φ = 25537794240.

The previous prime is 51085512509. The next prime is 51085512557. The reversal of 51085512526 is 62521558015.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2468130 + ... + 2488741.

It is an arithmetic number, because the mean of its divisors is an integer number (9580394358).

Almost surely, 2^51085512526 is an apocalyptic number.

51085512526 is a deficient number, since it is larger than the sum of its proper divisors (25557642338).

51085512526 is a wasteful number, since it uses less digits than its factorization.

51085512526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962026.

The product of its (nonzero) digits is 120000, while the sum is 40.

The spelling of 51085512526 in words is "fifty-one billion, eighty-five million, five hundred twelve thousand, five hundred twenty-six".