11140223551 has 8 divisors (see below), whose sum is σ = 11684744640. Its totient is φ = 10608514848.

The previous prime is 11140223533. The next prime is 11140223557. The reversal of 11140223551 is 15532204111.

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-11140223551 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 (11140223557) 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, 3201316 + ... + 3204793.

It is an arithmetic number, because the mean of its divisors is an integer number (1460593080).

Almost surely, 2^11140223551 is an apocalyptic number.

11140223551 is a deficient number, since it is larger than the sum of its proper divisors (544521089).

11140223551 is an equidigital number, since it uses as much as digits as its factorization.

11140223551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6406193.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 11140223551 its reverse (15532204111), we get a palindrome (26672427662).

The spelling of 11140223551 in words is "eleven billion, one hundred forty million, two hundred twenty-three thousand, five hundred fifty-one".