12787180416 has 48 divisors (see below), whose sum is σ = 36796446960. Its totient is φ = 4262393088.

The previous prime is 12787180403. The next prime is 12787180459. The reversal of 12787180416 is 61408178721.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5548840 + ... + 5551143.

It is an arithmetic number, because the mean of its divisors is an integer number (766592645).

Almost surely, 2^12787180416 is an apocalyptic number.

12787180416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12787180416 is an abundant number, since it is smaller than the sum of its proper divisors (24009266544).

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

12787180416 is a wasteful number, since it uses less digits than its factorization.

12787180416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100003 (or 11099988 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 45.

The spelling of 12787180416 in words is "twelve billion, seven hundred eighty-seven million, one hundred eighty thousand, four hundred sixteen".