2320265555261 has 8 divisors (see below), whose sum is σ = 2493419702400. Its totient is φ = 2151185623488.

The previous prime is 2320265555197. The next prime is 2320265555317. The reversal of 2320265555261 is 1625555620232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2320265555261 - 2⁶ = 2320265555197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320265515261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018552661 + ... + 1018554938.

It is an arithmetic number, because the mean of its divisors is an integer number (311677462800).

Almost surely, 2^{2320265555261} is an apocalyptic number.

It is an amenable number.

2320265555261 is a deficient number, since it is larger than the sum of its proper divisors (173154147139).

2320265555261 is a wasteful number, since it uses less digits than its factorization.

2320265555261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037107683.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 2320265555261 in words is "two trillion, three hundred twenty billion, two hundred sixty-five million, five hundred fifty-five thousand, two hundred sixty-one".