11242551311 has 8 divisors (see below), whose sum is σ = 11353547520. Its totient is φ = 11131665048.

The previous prime is 11242551263. The next prime is 11242551319. The reversal of 11242551311 is 11315524211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11242551311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11242551319) 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, 186170 + ... + 239048.

It is an arithmetic number, because the mean of its divisors is an integer number (1419193440).

Almost surely, 2^11242551311 is an apocalyptic number.

11242551311 is a deficient number, since it is larger than the sum of its proper divisors (110996209).

11242551311 is a wasteful number, since it uses less digits than its factorization.

11242551311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54973.

The product of its digits is 1200, while the sum is 26.

The spelling of 11242551311 in words is "eleven billion, two hundred forty-two million, five hundred fifty-one thousand, three hundred eleven".