11259077580 has 72 divisors (see below), whose sum is σ = 34161250032. Its totient is φ = 3001654656.

The previous prime is 11259077573. The next prime is 11259077591. The reversal of 11259077580 is 8577095211.

11259077580 is a `hidden beast` number, since 1 + 1 + 2 + 590 + 7 + 7 + 58 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1240539 + ... + 1249581.

It is an arithmetic number, because the mean of its divisors is an integer number (474461806).

Almost surely, 2^11259077580 is an apocalyptic number.

11259077580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11259077580 is an abundant number, since it is smaller than the sum of its proper divisors (22902172452).

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

11259077580 is a wasteful number, since it uses less digits than its factorization.

11259077580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15975 (or 15970 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The spelling of 11259077580 in words is "eleven billion, two hundred fifty-nine million, seventy-seven thousand, five hundred eighty".