11498798605 has 32 divisors (see below), whose sum is σ = 15897024000. Its totient is φ = 7821418752.

The previous prime is 11498798593. The next prime is 11498798609. The reversal of 11498798605 is 50689789411.

It is not a de Polignac number, because 11498798605 - 2⁷ = 11498798477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11498798605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11498798609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7451464 + ... + 7453006.

It is an arithmetic number, because the mean of its divisors is an integer number (496782000).

Almost surely, 2^11498798605 is an apocalyptic number.

It is an amenable number.

11498798605 is a deficient number, since it is larger than the sum of its proper divisors (4398225395).

11498798605 is a wasteful number, since it uses less digits than its factorization.

11498798605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133.

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 11498798605 in words is "eleven billion, four hundred ninety-eight million, seven hundred ninety-eight thousand, six hundred five".