11556745256342 has 64 divisors (see below), whose sum is σ = 20834120704320. Its totient is φ = 4738681958400.

The previous prime is 11556745256341. The next prime is 11556745256383. The reversal of 11556745256342 is 24365254765511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556745256341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263459 + ... + 4814862.

It is an arithmetic number, because the mean of its divisors is an integer number (325533136005).

Almost surely, 2^{11556745256342} is an apocalyptic number.

11556745256342 is a deficient number, since it is larger than the sum of its proper divisors (9277375447978).

11556745256342 is a wasteful number, since it uses less digits than its factorization.

11556745256342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078529.

The product of its digits is 30240000, while the sum is 56.

The spelling of 11556745256342 in words is "eleven trillion, five hundred fifty-six billion, seven hundred forty-five million, two hundred fifty-six thousand, three hundred forty-two".