113204256771 has 4 divisors (see below), whose sum is σ = 150939009032. Its totient is φ = 75469504512.

The previous prime is 113204256757. The next prime is 113204256779. The reversal of 113204256771 is 177652402311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 177652402311 = 3 ⋅59217467437.

It is not a de Polignac number, because 113204256771 - 2⁷ = 113204256643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113204256779) 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, 18867376126 + ... + 18867376131.

It is an arithmetic number, because the mean of its divisors is an integer number (37734752258).

Almost surely, 2^113204256771 is an apocalyptic number.

113204256771 is a deficient number, since it is larger than the sum of its proper divisors (37734752261).

113204256771 is an equidigital number, since it uses as much as digits as its factorization.

113204256771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37734752260.

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 113204256771 in words is "one hundred thirteen billion, two hundred four million, two hundred fifty-six thousand, seven hundred seventy-one".