113356121451665 has 8 divisors (see below), whose sum is σ = 136027578919848. Its totient is φ = 90684741709440.

The previous prime is 113356121451653. The next prime is 113356121451679. The reversal of 113356121451665 is 566154121653311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2778635621776 + 110577485829889 = 1666924^2 + 10515583^2 .

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

It is not a de Polignac number, because 113356121451665 - 2¹⁶ = 113356121386129 is a prime.

It is a super-2 number, since 2×113356121451665² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16173326 + ... + 22097255.

It is an arithmetic number, because the mean of its divisors is an integer number (17003447364981).

Almost surely, 2^{113356121451665} is an apocalyptic number.

It is an amenable number.

113356121451665 is a deficient number, since it is larger than the sum of its proper divisors (22671457468183).

113356121451665 is an equidigital number, since it uses as much as digits as its factorization.

113356121451665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38862979.

The product of its digits is 1944000, while the sum is 50.

The spelling of 113356121451665 in words is "one hundred thirteen trillion, three hundred fifty-six billion, one hundred twenty-one million, four hundred fifty-one thousand, six hundred sixty-five".