11997459354 has 8 divisors (see below), whose sum is σ = 23994918720. Its totient is φ = 3999153116.

The previous prime is 11997459337. The next prime is 11997459359. The reversal of 11997459354 is 45395479911.

It is a sphenic number, since it is the product of 3 distinct primes.

11997459354 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11997459294 and 11997459303.

It is not an unprimeable number, because it can be changed into a prime (11997459359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 999788274 + ... + 999788285.

It is an arithmetic number, because the mean of its divisors is an integer number (2999364840).

Almost surely, 2^11997459354 is an apocalyptic number.

11997459354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11997459354 is a wasteful number, since it uses less digits than its factorization.

11997459354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999576564.

The product of its digits is 6123600, while the sum is 57.

The spelling of 11997459354 in words is "eleven billion, nine hundred ninety-seven million, four hundred fifty-nine thousand, three hundred fifty-four".