86251051621560 has 128 divisors (see below), whose sum is σ = 300131591339520. Its totient is φ = 19420279414272.

The previous prime is 86251051621549. The next prime is 86251051621591. The reversal of 86251051621560 is 6512615015268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 766211059 + ... + 766323618.

It is an arithmetic number, because the mean of its divisors is an integer number (2344778057340).

Almost surely, 2^{86251051621560} is an apocalyptic number.

It is an amenable number.

86251051621560 is an abundant number, since it is smaller than the sum of its proper divisors (213880539717960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86251051621560 is a wasteful number, since it uses less digits than its factorization.

86251051621560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532534765 (or 1532534761 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 48.

The spelling of 86251051621560 in words is "eighty-six trillion, two hundred fifty-one billion, fifty-one million, six hundred twenty-one thousand, five hundred sixty".