11648436498 has 40 divisors (see below), whose sum is σ = 26109079920. Its totient is φ = 3881629080.

The previous prime is 11648436497. The next prime is 11648436523. The reversal of 11648436498 is 89463484611.

11648436498 is a `hidden beast` number, since 1 + 16 + 484 + 3 + 64 + 98 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (11648436497) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 642133 + ... + 660023.

It is an arithmetic number, because the mean of its divisors is an integer number (652726998).

Almost surely, 2^11648436498 is an apocalyptic number.

11648436498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11648436498 is an abundant number, since it is smaller than the sum of its proper divisors (14460643422).

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

11648436498 is a wasteful number, since it uses less digits than its factorization.

11648436498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21924 (or 21915 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 54.

The spelling of 11648436498 in words is "eleven billion, six hundred forty-eight million, four hundred thirty-six thousand, four hundred ninety-eight".