11135130551 has 4 divisors (see below), whose sum is σ = 11519100600. Its totient is φ = 10751160504.

The previous prime is 11135130547. The next prime is 11135130569. The reversal of 11135130551 is 15503153111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11135130551 - 2² = 11135130547 is a prime.

It is a super-2 number, since 2×11135130551² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11135130551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11135130571) 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, 191984981 + ... + 191985038.

It is an arithmetic number, because the mean of its divisors is an integer number (2879775150).

Almost surely, 2^11135130551 is an apocalyptic number.

11135130551 is a deficient number, since it is larger than the sum of its proper divisors (383970049).

11135130551 is an equidigital number, since it uses as much as digits as its factorization.

11135130551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383970048.

The product of its (nonzero) digits is 1125, while the sum is 26.

Adding to 11135130551 its reverse (15503153111), we get a palindrome (26638283662).

The spelling of 11135130551 in words is "eleven billion, one hundred thirty-five million, one hundred thirty thousand, five hundred fifty-one".