113533510422391 has 4 divisors (see below), whose sum is σ = 113541063727984. Its totient is φ = 113525957116800.

The previous prime is 113533510422349. The next prime is 113533510422403. The reversal of 113533510422391 is 193224015335311.

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 113533510422391 - 2¹⁷ = 113533510291319 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 (113533510422331) 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, 3776630250 + ... + 3776660311.

It is an arithmetic number, because the mean of its divisors is an integer number (28385265931996).

Almost surely, 2^{113533510422391} is an apocalyptic number.

113533510422391 is a deficient number, since it is larger than the sum of its proper divisors (7553305593).

113533510422391 is an equidigital number, since it uses as much as digits as its factorization.

113533510422391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7553305592.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 113533510422391 in words is "one hundred thirteen trillion, five hundred thirty-three billion, five hundred ten million, four hundred twenty-two thousand, three hundred ninety-one".