11520117751548 has 96 divisors (see below), whose sum is σ = 30940735795200. Its totient is φ = 3267915388416.

The previous prime is 11520117751487. The next prime is 11520117751577. The reversal of 11520117751548 is 84515771102511.

It is a happy number.

It is a super-2 number, since 2×11520117751548² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11520117751497 and 11520117751506.

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, 7199808 + ... + 8653176.

It is an arithmetic number, because the mean of its divisors is an integer number (322299331200).

Almost surely, 2^{11520117751548} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11520117751548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15470367897600).

11520117751548 is an abundant number, since it is smaller than the sum of its proper divisors (19420618043652).

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

11520117751548 is a wasteful number, since it uses less digits than its factorization.

11520117751548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454059 (or 1454057 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 48.

The spelling of 11520117751548 in words is "eleven trillion, five hundred twenty billion, one hundred seventeen million, seven hundred fifty-one thousand, five hundred forty-eight".