11858425728 has 64 divisors (see below), whose sum is σ = 32585144400. Its totient is φ = 3816501248.

The previous prime is 11858425727. The next prime is 11858425729. The reversal of 11858425728 is 82752485811.

It is an interprime number because it is at equal distance from previous prime (11858425727) and next prime (11858425729).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11858425727) 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, 521301 + ... + 543572.

Almost surely, 2^11858425728 is an apocalyptic number.

It is an amenable number.

11858425728 is an abundant number, since it is smaller than the sum of its proper divisors (20726718672).

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

11858425728 is a wasteful number, since it uses less digits than its factorization.

11858425728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064919 (or 1064907 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 51.

The spelling of 11858425728 in words is "eleven billion, eight hundred fifty-eight million, four hundred twenty-five thousand, seven hundred twenty-eight".