113357947261 has 8 divisors (see below), whose sum is σ = 122710319480. Its totient is φ = 104095936512.

The previous prime is 113357947247. The next prime is 113357947267. The reversal of 113357947261 is 162749753311.

It can be written as a sum of positive squares in 4 ways, for example, as 7729047225 + 105628900036 = 87915^2 + 325006^2 .

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

It is not a de Polignac number, because 113357947261 - 2⁷ = 113357947133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113357947267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22587756 + ... + 22592773.

It is an arithmetic number, because the mean of its divisors is an integer number (15338789935).

Almost surely, 2^113357947261 is an apocalyptic number.

It is an amenable number.

113357947261 is a deficient number, since it is larger than the sum of its proper divisors (9352372219).

113357947261 is a wasteful number, since it uses less digits than its factorization.

113357947261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45180735.

The product of its digits is 952560, while the sum is 49.

The spelling of 113357947261 in words is "one hundred thirteen billion, three hundred fifty-seven million, nine hundred forty-seven thousand, two hundred sixty-one".