320411161211655 has 32 divisors (see below), whose sum is σ = 518845968506880. Its totient is φ = 168823340472960.

The previous prime is 320411161211627. The next prime is 320411161211699. The reversal of 320411161211655 is 556112161114023.

It is not a de Polignac number, because 320411161211655 - 2⁸ = 320411161211399 is a prime.

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, 53739645 + ... + 59403465.

It is an arithmetic number, because the mean of its divisors is an integer number (16213936515840).

Almost surely, 2^{320411161211655} is an apocalyptic number.

320411161211655 is a deficient number, since it is larger than the sum of its proper divisors (198434807295225).

320411161211655 is a wasteful number, since it uses less digits than its factorization.

320411161211655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709351.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 320411161211655 in words is "three hundred twenty trillion, four hundred eleven billion, one hundred sixty-one million, two hundred eleven thousand, six hundred fifty-five".