12545511402 has 16 divisors (see below), whose sum is σ = 25092891360. Its totient is φ = 4181525712.

The previous prime is 12545511373. The next prime is 12545511421. The reversal of 12545511402 is 20411554521.

It is a self number, because there is not a number n which added to its sum of digits gives 12545511402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18624 + ... + 159492.

It is an arithmetic number, because the mean of its divisors is an integer number (1568305710).

Almost surely, 2^12545511402 is an apocalyptic number.

12545511402 is an abundant number, since it is smaller than the sum of its proper divisors (12547379958).

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

12545511402 is a wasteful number, since it uses less digits than its factorization.

12545511402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155717.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 12545511402 in words is "twelve billion, five hundred forty-five million, five hundred eleven thousand, four hundred two".