11428697136 has 80 divisors (see below), whose sum is σ = 29767023360. Its totient is φ = 3778310400.

The previous prime is 11428697101. The next prime is 11428697167. The reversal of 11428697136 is 63179682411.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 8907151 + ... + 8908433.

It is an arithmetic number, because the mean of its divisors is an integer number (372087792).

Almost surely, 2^11428697136 is an apocalyptic number.

11428697136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11428697136 is an abundant number, since it is smaller than the sum of its proper divisors (18338326224).

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

11428697136 is a wasteful number, since it uses less digits than its factorization.

11428697136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674 (or 2668 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The spelling of 11428697136 in words is "eleven billion, four hundred twenty-eight million, six hundred ninety-seven thousand, one hundred thirty-six".