1155405114 has 32 divisors (see below), whose sum is σ = 2569728000. Its totient is φ = 384810912.

The previous prime is 1155405103. The next prime is 1155405137. The reversal of 1155405114 is 4115045511.

1155405114 is a `hidden beast` number, since 1 + 1 + 5 + 540 + 5 + 114 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60702 + ... + 77430.

It is an arithmetic number, because the mean of its divisors is an integer number (80304000).

Almost surely, 2^1155405114 is an apocalyptic number.

1155405114 is an abundant number, since it is smaller than the sum of its proper divisors (1414322886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155405114 is a wasteful number, since it uses less digits than its factorization.

1155405114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18019 (or 18013 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

The square root of 1155405114 is about 33991.2505506932. The cubic root of 1155405114 is about 1049.3284031806.

The spelling of 1155405114 in words is "one billion, one hundred fifty-five million, four hundred five thousand, one hundred fourteen".