11151025551 has 6 divisors (see below), whose sum is σ = 16107036920. Its totient is φ = 7434017028.

The previous prime is 11151025541. The next prime is 11151025559. The reversal of 11151025551 is 15552015111.

It is a happy number.

11151025551 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 102 + 5 + 551 = 666.

11151025551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11151025551 - 2⁷ = 11151025423 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 (11151025559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619501411 + ... + 619501428.

Almost surely, 2^11151025551 is an apocalyptic number.

11151025551 is a deficient number, since it is larger than the sum of its proper divisors (4956011369).

11151025551 is a wasteful number, since it uses less digits than its factorization.

11151025551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239002845 (or 1239002842 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 27.

The spelling of 11151025551 in words is "eleven billion, one hundred fifty-one million, twenty-five thousand, five hundred fifty-one".