11990538093 has 8 divisors (see below), whose sum is σ = 15988135968. Its totient is φ = 7993316144.

The previous prime is 11990538059. The next prime is 11990538167. The reversal of 11990538093 is 39083509911.

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

It is a cyclic number.

It is not a de Polignac number, because 11990538093 - 2²¹ = 11988440941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990538013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8430 + ... + 155087.

It is an arithmetic number, because the mean of its divisors is an integer number (1998516996).

Almost surely, 2^11990538093 is an apocalyptic number.

It is an amenable number.

11990538093 is a deficient number, since it is larger than the sum of its proper divisors (3997597875).

11990538093 is a wasteful number, since it uses less digits than its factorization.

11990538093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187963.

The product of its (nonzero) digits is 262440, while the sum is 48.

The spelling of 11990538093 in words is "eleven billion, nine hundred ninety million, five hundred thirty-eight thousand, ninety-three".