11198052139 has 4 divisors (see below), whose sum is σ = 11246952160. Its totient is φ = 11149152120.

The previous prime is 11198052091. The next prime is 11198052157. The reversal of 11198052139 is 93125089111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93125089111 = 2281 ⋅40826431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11198052139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11198055139) 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, 24449667 + ... + 24450124.

It is an arithmetic number, because the mean of its divisors is an integer number (2811738040).

Almost surely, 2^11198052139 is an apocalyptic number.

11198052139 is a deficient number, since it is larger than the sum of its proper divisors (48900021).

11198052139 is an equidigital number, since it uses as much as digits as its factorization.

11198052139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48900020.

The product of its (nonzero) digits is 19440, while the sum is 40.

The spelling of 11198052139 in words is "eleven billion, one hundred ninety-eight million, fifty-two thousand, one hundred thirty-nine".