11910242253 has 64 divisors (see below), whose sum is σ = 20507131904. Its totient is φ = 5979744000.

The previous prime is 11910242249. The next prime is 11910242287. The reversal of 11910242253 is 35224201911.

It is not a de Polignac number, because 11910242253 - 2² = 11910242249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11910242253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11910242213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 504708 + ... + 527778.

It is an arithmetic number, because the mean of its divisors is an integer number (320423936).

Almost surely, 2^11910242253 is an apocalyptic number.

11910242253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11910242253 is a deficient number, since it is larger than the sum of its proper divisors (8596889651).

11910242253 is a wasteful number, since it uses less digits than its factorization.

11910242253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23186.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 11910242253 in words is "eleven billion, nine hundred ten million, two hundred forty-two thousand, two hundred fifty-three".