11880036672 has 336 divisors, whose sum is σ = 39451970880. Its totient is φ = 3135283200.

The previous prime is 11880036647. The next prime is 11880036677. The reversal of 11880036672 is 27663008811.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×11880036672² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11880036677) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7328022 + ... + 7329642.

It is an arithmetic number, because the mean of its divisors is an integer number (117416580).

Almost surely, 2^11880036672 is an apocalyptic number.

11880036672 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 11880036672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19725985440).

11880036672 is an abundant number, since it is smaller than the sum of its proper divisors (27571934208).

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

11880036672 is a wasteful number, since it uses less digits than its factorization.

11880036672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 11880036672 in words is "eleven billion, eight hundred eighty million, thirty-six thousand, six hundred seventy-two".