11159420253 has 4 divisors (see below), whose sum is σ = 14879227008. Its totient is φ = 7439613500.

The previous prime is 11159420249. The next prime is 11159420299. The reversal of 11159420253 is 35202495111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11159420253 - 2² = 11159420249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11159420213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859903373 + ... + 1859903378.

It is an arithmetic number, because the mean of its divisors is an integer number (3719806752).

Almost surely, 2^11159420253 is an apocalyptic number.

It is an amenable number.

11159420253 is a deficient number, since it is larger than the sum of its proper divisors (3719806755).

11159420253 is an equidigital number, since it uses as much as digits as its factorization.

11159420253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719806754.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 11159420253 in words is "eleven billion, one hundred fifty-nine million, four hundred twenty thousand, two hundred fifty-three".