11548598397 has 32 divisors (see below), whose sum is σ = 18110889984. Its totient is φ = 6407553600.

The previous prime is 11548598393. The next prime is 11548598431. The reversal of 11548598397 is 79389584511.

It is not a de Polignac number, because 11548598397 - 2² = 11548598393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11548598397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11548598393) 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, 366372 + ... + 396642.

It is an arithmetic number, because the mean of its divisors is an integer number (565965312).

Almost surely, 2^11548598397 is an apocalyptic number.

It is an amenable number.

11548598397 is a deficient number, since it is larger than the sum of its proper divisors (6562291587).

11548598397 is a wasteful number, since it uses less digits than its factorization.

11548598397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30809.

The product of its digits is 10886400, while the sum is 60.

The spelling of 11548598397 in words is "eleven billion, five hundred forty-eight million, five hundred ninety-eight thousand, three hundred ninety-seven".