155316462065 has 64 divisors (see below), whose sum is σ = 206599680000. Its totient is φ = 111566087424.

The previous prime is 155316462023. The next prime is 155316462101. The reversal of 155316462065 is 560264613551.

It is a cyclic number.

It is not a de Polignac number, because 155316462065 - 2²⁶ = 155249353201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 182082179 + ... + 182083031.

It is an arithmetic number, because the mean of its divisors is an integer number (3228120000).

Almost surely, 2^155316462065 is an apocalyptic number.

It is an amenable number.

155316462065 is a deficient number, since it is larger than the sum of its proper divisors (51283217935).

155316462065 is a wasteful number, since it uses less digits than its factorization.

155316462065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 155316462065 in words is "one hundred fifty-five billion, three hundred sixteen million, four hundred sixty-two thousand, sixty-five".