11554323055142 has 16 divisors (see below), whose sum is σ = 19822682695200. Its totient is φ = 4948034802048.

The previous prime is 11554323055133. The next prime is 11554323055151. The reversal of 11554323055142 is 24155032345511.

It is an interprime number because it is at equal distance from previous prime (11554323055133) and next prime (11554323055151).

It is a self number, because there is not a number n which added to its sum of digits gives 11554323055142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318142517 + ... + 318178832.

It is an arithmetic number, because the mean of its divisors is an integer number (1238917668450).

Almost surely, 2^{11554323055142} is an apocalyptic number.

11554323055142 is a deficient number, since it is larger than the sum of its proper divisors (8268359640058).

11554323055142 is a wasteful number, since it uses less digits than its factorization.

11554323055142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636322655.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 11554323055142 in words is "eleven trillion, five hundred fifty-four billion, three hundred twenty-three million, fifty-five thousand, one hundred forty-two".