12550775046 has 32 divisors (see below), whose sum is σ = 25255473408. Its totient is φ = 4157983200.

The previous prime is 12550774993. The next prime is 12550775051. The reversal of 12550775046 is 64057705521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12550774989 and 12550775007.

It is a congruent 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, 1237231 + ... + 1247333.

It is an arithmetic number, because the mean of its divisors is an integer number (789233544).

Almost surely, 2^12550775046 is an apocalyptic number.

12550775046 is an abundant number, since it is smaller than the sum of its proper divisors (12704698362).

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

12550775046 is a wasteful number, since it uses less digits than its factorization.

12550775046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11356.

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 12550775046 in words is "twelve billion, five hundred fifty million, seven hundred seventy-five thousand, forty-six".