11423555401552 has 40 divisors (see below), whose sum is σ = 25295273657600. Its totient is φ = 4895759498112.

The previous prime is 11423555401541. The next prime is 11423555401589. The reversal of 11423555401552 is 25510455532411.

It is a junction number, because it is equal to n+sod(n) for n = 11423555401499 and 11423555401508.

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, 11800474 + ... + 12731782.

It is an arithmetic number, because the mean of its divisors is an integer number (632381841440).

Almost surely, 2^{11423555401552} is an apocalyptic number.

It is an amenable number.

11423555401552 is an abundant number, since it is smaller than the sum of its proper divisors (13871718256048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11423555401552 is a wasteful number, since it uses less digits than its factorization.

11423555401552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040843 (or 1040837 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 11423555401552 in words is "eleven trillion, four hundred twenty-three billion, five hundred fifty-five million, four hundred one thousand, five hundred fifty-two".