1155105135 has 24 divisors (see below), whose sum is σ = 2044785600. Its totient is φ = 602947392.

The previous prime is 1155105131. The next prime is 1155105169. The reversal of 1155105135 is 5315015511.

1155105135 is a `hidden beast` number, since 1 + 15 + 510 + 5 + 135 = 666.

It is not a de Polignac number, because 1155105135 - 2² = 1155105131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155105099 and 1155105108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155105131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 270960 + ... + 275189.

It is an arithmetic number, because the mean of its divisors is an integer number (85199400).

Almost surely, 2^1155105135 is an apocalyptic number.

1155105135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1155105135 is a deficient number, since it is larger than the sum of its proper divisors (889680465).

1155105135 is a wasteful number, since it uses less digits than its factorization.

1155105135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546207 (or 546204 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 27.

The square root of 1155105135 is about 33986.8376728403. The cubic root of 1155105135 is about 1049.2375825881.

The spelling of 1155105135 in words is "one billion, one hundred fifty-five million, one hundred five thousand, one hundred thirty-five".