12653154345640 has 64 divisors (see below), whose sum is σ = 28558767144960. Its totient is φ = 5045430762240.

The previous prime is 12653154345599. The next prime is 12653154345659. The reversal of 12653154345640 is 4654345135621.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18588505 + ... + 19257175.

It is an arithmetic number, because the mean of its divisors is an integer number (446230736640).

Almost surely, 2^{12653154345640} is an apocalyptic number.

12653154345640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12653154345640 is an abundant number, since it is smaller than the sum of its proper divisors (15905612799320).

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

12653154345640 is a wasteful number, since it uses less digits than its factorization.

12653154345640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670162 (or 670158 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 12653154345640 in words is "twelve trillion, six hundred fifty-three billion, one hundred fifty-four million, three hundred forty-five thousand, six hundred forty".