72016010357855 has 16 divisors (see below), whose sum is σ = 89399439024480. Its totient is φ = 55626001834368.

The previous prime is 72016010357813. The next prime is 72016010357861. The reversal of 72016010357855 is 55875301061027.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72016010357855 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99919004 + ... + 100637166.

It is an arithmetic number, because the mean of its divisors is an integer number (5587464939030).

Almost surely, 2^{72016010357855} is an apocalyptic number.

72016010357855 is a deficient number, since it is larger than the sum of its proper divisors (17383428666625).

72016010357855 is a wasteful number, since it uses less digits than its factorization.

72016010357855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409770.

The product of its (nonzero) digits is 1764000, while the sum is 50.

The spelling of 72016010357855 in words is "seventy-two trillion, sixteen billion, ten million, three hundred fifty-seven thousand, eight hundred fifty-five".