113554251551 has 8 divisors (see below), whose sum is σ = 122298274560. Its totient is φ = 104811525792.

The previous prime is 113554251493. The next prime is 113554251611. The reversal of 113554251551 is 155152455311.

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

It is a cyclic number.

It is not a de Polignac number, because 113554251551 - 2¹⁰ = 113554250527 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 (113554251851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138560 + ... + 496293.

It is an arithmetic number, because the mean of its divisors is an integer number (15287284320).

Almost surely, 2^113554251551 is an apocalyptic number.

113554251551 is a deficient number, since it is larger than the sum of its proper divisors (8744023009).

113554251551 is a wasteful number, since it uses less digits than its factorization.

113554251551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648625.

The product of its digits is 75000, while the sum is 38.

The spelling of 113554251551 in words is "one hundred thirteen billion, five hundred fifty-four million, two hundred fifty-one thousand, five hundred fifty-one".