11130256516 has 12 divisors (see below), whose sum is σ = 19586765520. Its totient is φ = 5534037800.

The previous prime is 11130256513. The next prime is 11130256537. The reversal of 11130256516 is 61565203111.

It is a happy number.

It is a super-2 number, since 2×11130256516² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11130256513) 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, 7771810 + ... + 7773241.

It is an arithmetic number, because the mean of its divisors is an integer number (1632230460).

Almost surely, 2^11130256516 is an apocalyptic number.

It is an amenable number.

11130256516 is a deficient number, since it is larger than the sum of its proper divisors (8456509004).

11130256516 is a wasteful number, since it uses less digits than its factorization.

11130256516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15545234 (or 15545232 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 11130256516 its reverse (61565203111), we get a palindrome (72695459627).

The spelling of 11130256516 in words is "eleven billion, one hundred thirty million, two hundred fifty-six thousand, five hundred sixteen".