12575445376 has 64 divisors (see below), whose sum is σ = 27088160400. Its totient is φ = 5780736000.

The previous prime is 12575445361. The next prime is 12575445391. The reversal of 12575445376 is 67354457521.

It is an interprime number because it is at equal distance from previous prime (12575445361) and next prime (12575445391).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 402610 + ... + 432718.

Almost surely, 2^12575445376 is an apocalyptic number.

12575445376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12575445376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13544080200).

12575445376 is an abundant number, since it is smaller than the sum of its proper divisors (14512715024).

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

12575445376 is a wasteful number, since it uses less digits than its factorization.

12575445376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30387 (or 30375 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 49.

The spelling of 12575445376 in words is "twelve billion, five hundred seventy-five million, four hundred forty-five thousand, three hundred seventy-six".