11545402230552 has 128 divisors (see below), whose sum is σ = 30467717913600. Its totient is φ = 3638482839552.

The previous prime is 11545402230443. The next prime is 11545402230617. The reversal of 11545402230552 is 25503220454511.

It is a self number, because there is not a number n which added to its sum of digits gives 11545402230552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142578108 + ... + 142659060.

It is an arithmetic number, because the mean of its divisors is an integer number (238029046200).

Almost surely, 2^{11545402230552} is an apocalyptic number.

11545402230552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11545402230552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15233858956800).

11545402230552 is an abundant number, since it is smaller than the sum of its proper divisors (18922315683048).

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

11545402230552 is a wasteful number, since it uses less digits than its factorization.

11545402230552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83977 (or 83973 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 11545402230552 in words is "eleven trillion, five hundred forty-five billion, four hundred two million, two hundred thirty thousand, five hundred fifty-two".