86551234450155 has 24 divisors (see below), whose sum is σ = 150241791508848. Its totient is φ = 46093073205696.

The previous prime is 86551234450129. The next prime is 86551234450169. The reversal of 86551234450155 is 55105443215568.

86551234450155 is a `hidden beast` number, since 8 + 6 + 5 + 5 + 1 + 2 + 34 + 450 + 155 = 666.

It is not a de Polignac number, because 86551234450155 - 2⁸ = 86551234449899 is a prime.

It is a super-2 number, since 2×86551234450155² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1407993252 + ... + 1408054721.

It is an arithmetic number, because the mean of its divisors is an integer number (6260074646202).

Almost surely, 2^{86551234450155} is an apocalyptic number.

86551234450155 is a deficient number, since it is larger than the sum of its proper divisors (63690557058693).

86551234450155 is a wasteful number, since it uses less digits than its factorization.

86551234450155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816048667 (or 2816048664 counting only the distinct ones).

The product of its (nonzero) digits is 14400000, while the sum is 54.

The spelling of 86551234450155 in words is "eighty-six trillion, five hundred fifty-one billion, two hundred thirty-four million, four hundred fifty thousand, one hundred fifty-five".