11661410614351 has 4 divisors (see below), whose sum is σ = 11781631342432. Its totient is φ = 11541189886272.

The previous prime is 11661410614261. The next prime is 11661410614363. The reversal of 11661410614351 is 15341601416611.

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 11661410614351 - 2²⁵ = 11661377059919 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 (11661810614351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60110363895 + ... + 60110364088.

It is an arithmetic number, because the mean of its divisors is an integer number (2945407835608).

Almost surely, 2^{11661410614351} is an apocalyptic number.

11661410614351 is a deficient number, since it is larger than the sum of its proper divisors (120220728081).

11661410614351 is an equidigital number, since it uses as much as digits as its factorization.

11661410614351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120220728080.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 11661410614351 in words is "eleven trillion, six hundred sixty-one billion, four hundred ten million, six hundred fourteen thousand, three hundred fifty-one".