11151505255 has 16 divisors (see below), whose sum is σ = 14774223744. Its totient is φ = 8012469280.

The previous prime is 11151505229. The next prime is 11151505271. The reversal of 11151505255 is 55250515111.

It is a happy number.

It is not a de Polignac number, because 11151505255 - 2⁹ = 11151504743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216849 + ... + 1225978.

It is an arithmetic number, because the mean of its divisors is an integer number (923388984).

Almost surely, 2^11151505255 is an apocalyptic number.

11151505255 is a deficient number, since it is larger than the sum of its proper divisors (3622718489).

11151505255 is a wasteful number, since it uses less digits than its factorization.

11151505255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442926.

The product of its (nonzero) digits is 6250, while the sum is 31.

The spelling of 11151505255 in words is "eleven billion, one hundred fifty-one million, five hundred five thousand, two hundred fifty-five".