1155222135135 has 32 divisors (see below), whose sum is σ = 2059932936960. Its totient is φ = 614257063200.

The previous prime is 1155222135113. The next prime is 1155222135187. The reversal of 1155222135135 is 5315312225511.

1155222135135 is a `hidden beast` number, since 1 + 1 + 5 + 52 + 221 + 351 + 35 = 666.

It is not a de Polignac number, because 1155222135135 - 2⁹ = 1155222134623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1155222135135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12881601 + ... + 12970970.

It is an arithmetic number, because the mean of its divisors is an integer number (64372904280).

Almost surely, 2^{1155222135135} is an apocalyptic number.

1155222135135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1155222135135 is a deficient number, since it is larger than the sum of its proper divisors (904710801825).

1155222135135 is a wasteful number, since it uses less digits than its factorization.

1155222135135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25852916 (or 25852910 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The spelling of 1155222135135 in words is "one trillion, one hundred fifty-five billion, two hundred twenty-two million, one hundred thirty-five thousand, one hundred thirty-five".