2572905261163 has 4 divisors (see below), whose sum is σ = 2708321327560. Its totient is φ = 2437489194768.

The previous prime is 2572905261131. The next prime is 2572905261193. The reversal of 2572905261163 is 3611625092752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2572905261163 - 2⁵ = 2572905261131 is a prime.

It is a super-2 number, since 2×2572905261163² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2572905261193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67708033170 + ... + 67708033207.

It is an arithmetic number, because the mean of its divisors is an integer number (677080331890).

Almost surely, 2^{2572905261163} is an apocalyptic number.

2572905261163 is a deficient number, since it is larger than the sum of its proper divisors (135416066397).

2572905261163 is a wasteful number, since it uses less digits than its factorization.

2572905261163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135416066396.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 2572905261163 in words is "two trillion, five hundred seventy-two billion, nine hundred five million, two hundred sixty-one thousand, one hundred sixty-three".