11257702155 has 48 divisors (see below), whose sum is σ = 22309996800. Its totient is φ = 5144295744.

The previous prime is 11257702147. The next prime is 11257702171. The reversal of 11257702155 is 55120775211.

11257702155 is a `hidden beast` number, since 1 + 12 + 577 + 0 + 21 + 55 = 666.

11257702155 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 11257702155 - 2³ = 11257702147 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 990696 + ... + 1001994.

It is an arithmetic number, because the mean of its divisors is an integer number (464791600).

Almost surely, 2^11257702155 is an apocalyptic number.

11257702155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11257702155 is a deficient number, since it is larger than the sum of its proper divisors (11052294645).

11257702155 is a wasteful number, since it uses less digits than its factorization.

11257702155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14480 (or 14477 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 36.

The spelling of 11257702155 in words is "eleven billion, two hundred fifty-seven million, seven hundred two thousand, one hundred fifty-five".