11155479498 has 24 divisors (see below), whose sum is σ = 24530957568. Its totient is φ = 3662992872.

The previous prime is 11155479497. The next prime is 11155479521. The reversal of 11155479498 is 89497455111.

11155479498 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 547 + 9 + 4 + 98 = 666.

It is not an unprimeable number, because it can be changed into a prime (11155479497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4623786 + ... + 4626197.

It is an arithmetic number, because the mean of its divisors is an integer number (1022123232).

Almost surely, 2^11155479498 is an apocalyptic number.

11155479498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11155479498 is an abundant number, since it is smaller than the sum of its proper divisors (13375478070).

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

11155479498 is a wasteful number, since it uses less digits than its factorization.

11155479498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9250058 (or 9250055 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 54.

The spelling of 11155479498 in words is "eleven billion, one hundred fifty-five million, four hundred seventy-nine thousand, four hundred ninety-eight".