11534553998 has 8 divisors (see below), whose sum is σ = 18874724760. Its totient is φ = 5242979080.

The previous prime is 11534553973. The next prime is 11534554013. The reversal of 11534553998 is 89935543511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262148933 + ... + 262148976.

It is an arithmetic number, because the mean of its divisors is an integer number (2359340595).

Almost surely, 2^11534553998 is an apocalyptic number.

11534553998 is a deficient number, since it is larger than the sum of its proper divisors (7340170762).

11534553998 is a wasteful number, since it uses less digits than its factorization.

11534553998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524297922.

The product of its digits is 2916000, while the sum is 53.

The spelling of 11534553998 in words is "eleven billion, five hundred thirty-four million, five hundred fifty-three thousand, nine hundred ninety-eight".