11151144215055 has 24 divisors (see below), whose sum is σ = 20815469202528. Its totient is φ = 5489794074816.

The previous prime is 11151144215041. The next prime is 11151144215069. The reversal of 11151144215055 is 55051244115111.

11151144215055 is a `hidden beast` number, since 1 + 1 + 1 + 5 + 1 + 144 + 2 + 1 + 505 + 5 = 666.

11151144215055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11151144215041) and next prime (11151144215069).

It is not a de Polignac number, because 11151144215055 - 2⁸ = 11151144214799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9530891907 + ... + 9530893076.

It is an arithmetic number, because the mean of its divisors is an integer number (867311216772).

Almost surely, 2^{11151144215055} is an apocalyptic number.

11151144215055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11151144215055 is a deficient number, since it is larger than the sum of its proper divisors (9664324987473).

11151144215055 is a wasteful number, since it uses less digits than its factorization.

11151144215055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19061785007 (or 19061785004 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 36.

The spelling of 11151144215055 in words is "eleven trillion, one hundred fifty-one billion, one hundred forty-four million, two hundred fifteen thousand, fifty-five".