11098255905 has 112 divisors (see below), whose sum is σ = 22488168960. Its totient is φ = 5206809600.

The previous prime is 11098255901. The next prime is 11098255943. The reversal of 11098255905 is 50955289011.

11098255905 is a `hidden beast` number, since 1 + 1 + 0 + 98 + 2 + 559 + 0 + 5 = 666.

It is not a de Polignac number, because 11098255905 - 2² = 11098255901 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (11098255901) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1238481 + ... + 1247409.

Almost surely, 2^11098255905 is an apocalyptic number.

11098255905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11098255905 is an abundant number, since it is smaller than the sum of its proper divisors (11389913055).

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

11098255905 is an equidigital number, since it uses as much as digits as its factorization.

11098255905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8994 (or 8979 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 45.

The spelling of 11098255905 in words is "eleven billion, ninety-eight million, two hundred fifty-five thousand, nine hundred five".