113193551 has 2 divisors, whose sum is σ = 113193552. Its totient is φ = 113193550.

The previous prime is 113193547. The next prime is 113193559. The reversal of 113193551 is 155391311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113193551 - 2² = 113193547 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113193559) 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 as a sum of consecutive naturals, namely, 56596775 + 56596776.

It is an arithmetic number, because the mean of its divisors is an integer number (56596776).

Almost surely, 2^113193551 is an apocalyptic number.

113193551 is a deficient number, since it is larger than the sum of its proper divisors (1).

113193551 is an equidigital number, since it uses as much as digits as its factorization.

113193551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2025, while the sum is 29.

The square root of 113193551 is about 10639.2457909384. The cubic root of 113193551 is about 483.7346845746.

The spelling of 113193551 in words is "one hundred thirteen million, one hundred ninety-three thousand, five hundred fifty-one".