12550415078 has 16 divisors (see below), whose sum is σ = 19820652720. Its totient is φ = 5943671136.

The previous prime is 12550415077. The next prime is 12550415089. The reversal of 12550415078 is 87051405521.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550415077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160400 + ... + 225452.

It is an arithmetic number, because the mean of its divisors is an integer number (1238790795).

Almost surely, 2^12550415078 is an apocalyptic number.

12550415078 is a deficient number, since it is larger than the sum of its proper divisors (7270237642).

12550415078 is a wasteful number, since it uses less digits than its factorization.

12550415078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70151.

The product of its (nonzero) digits is 56000, while the sum is 38.

The spelling of 12550415078 in words is "twelve billion, five hundred fifty million, four hundred fifteen thousand, seventy-eight".