11345556351 has 4 divisors (see below), whose sum is σ = 15127408472. Its totient is φ = 7563704232.

The previous prime is 11345556307. The next prime is 11345556371. The reversal of 11345556351 is 15365554311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11345556351 - 2⁹ = 11345555839 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 (11345556301) 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, 1890926056 + ... + 1890926061.

It is an arithmetic number, because the mean of its divisors is an integer number (3781852118).

Almost surely, 2^11345556351 is an apocalyptic number.

11345556351 is a deficient number, since it is larger than the sum of its proper divisors (3781852121).

11345556351 is an equidigital number, since it uses as much as digits as its factorization.

11345556351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781852120.

The product of its digits is 135000, while the sum is 39.

The spelling of 11345556351 in words is "eleven billion, three hundred forty-five million, five hundred fifty-six thousand, three hundred fifty-one".