2320545155564 has 36 divisors (see below), whose sum is σ = 4286913269184. Its totient is φ = 1098955379808.

The previous prime is 2320545155483. The next prime is 2320545155639. The reversal of 2320545155564 is 4655515450232.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6240782 + ... + 6602154.

It is an arithmetic number, because the mean of its divisors is an integer number (119080924144).

Almost surely, 2^{2320545155564} is an apocalyptic number.

It is an amenable number.

2320545155564 is a deficient number, since it is larger than the sum of its proper divisors (1966368113620).

2320545155564 is a wasteful number, since it uses less digits than its factorization.

2320545155564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365862 (or 365841 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 47.

The spelling of 2320545155564 in words is "two trillion, three hundred twenty billion, five hundred forty-five million, one hundred fifty-five thousand, five hundred sixty-four".