262512112561 has 8 divisors (see below), whose sum is σ = 265083683904. Its totient is φ = 259940982000.

The previous prime is 262512112547. The next prime is 262512112567. The reversal of 262512112561 is 165211215262.

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 262512112561 - 2⁵ = 262512112529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (262512112567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1157835 + ... + 1365871.

It is an arithmetic number, because the mean of its divisors is an integer number (33135460488).

Almost surely, 2^262512112561 is an apocalyptic number.

It is an amenable number.

262512112561 is a deficient number, since it is larger than the sum of its proper divisors (2571571343).

262512112561 is a wasteful number, since it uses less digits than its factorization.

262512112561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220391.

The product of its digits is 14400, while the sum is 34.

The spelling of 262512112561 in words is "two hundred sixty-two billion, five hundred twelve million, one hundred twelve thousand, five hundred sixty-one".