117236556035551 has 4 divisors (see below), whose sum is σ = 119223616307400. Its totient is φ = 115249495763704.

The previous prime is 117236556035527. The next prime is 117236556035567. The reversal of 117236556035551 is 155530655632711.

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 117236556035551 - 2²⁹ = 117236019164639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117236556035492 and 117236556035501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117236556005551) 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, 993530135836 + ... + 993530135953.

It is an arithmetic number, because the mean of its divisors is an integer number (29805904076850).

Almost surely, 2^{117236556035551} is an apocalyptic number.

117236556035551 is a deficient number, since it is larger than the sum of its proper divisors (1987060271849).

117236556035551 is an equidigital number, since it uses as much as digits as its factorization.

117236556035551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987060271848.

The product of its (nonzero) digits is 14175000, while the sum is 55.

The spelling of 117236556035551 in words is "one hundred seventeen trillion, two hundred thirty-six billion, five hundred fifty-six million, thirty-five thousand, five hundred fifty-one".