11872665480 has 128 divisors (see below), whose sum is σ = 38475400320. Its totient is φ = 2913546240.

The previous prime is 11872665463. The next prime is 11872665503. The reversal of 11872665480 is 8456627811.

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, 504864 + ... + 527856.

It is an arithmetic number, because the mean of its divisors is an integer number (300589065).

Almost surely, 2^11872665480 is an apocalyptic number.

11872665480 is a gapful number since it is divisible by the number (10) 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 11872665480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19237700160).

11872665480 is an abundant number, since it is smaller than the sum of its proper divisors (26602734840).

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

11872665480 is a wasteful number, since it uses less digits than its factorization.

11872665480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23351 (or 23347 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 11872665480 in words is "eleven billion, eight hundred seventy-two million, six hundred sixty-five thousand, four hundred eighty".