11257470798 has 24 divisors (see below), whose sum is σ = 26190851112. Its totient is φ = 3216420144.

The previous prime is 11257470787. The next prime is 11257470827. The reversal of 11257470798 is 89707475211.

It is a self number, because there is not a number n which added to its sum of digits gives 11257470798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19145065 + ... + 19145652.

It is an arithmetic number, because the mean of its divisors is an integer number (1091285463).

Almost surely, 2^11257470798 is an apocalyptic number.

11257470798 is an abundant number, since it is smaller than the sum of its proper divisors (14933380314).

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

11257470798 is a wasteful number, since it uses less digits than its factorization.

11257470798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38290736 (or 38290729 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 51.

The spelling of 11257470798 in words is "eleven billion, two hundred fifty-seven million, four hundred seventy thousand, seven hundred ninety-eight".