1153505864106 has 12 divisors (see below), whose sum is σ = 2499262705602. Its totient is φ = 384501954696.

The previous prime is 1153505864099. The next prime is 1153505864117. The reversal of 1153505864106 is 6014685053511.

It is a happy number.

1153505864106 is a `hidden beast` number, since 1 + 1 + 5 + 3 + 50 + 586 + 4 + 10 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1089779405625 + 63726458481 = 1043925^2 + 252441^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32041829541 + ... + 32041829576.

Almost surely, 2^{1153505864106} is an apocalyptic number.

1153505864106 is an abundant number, since it is smaller than the sum of its proper divisors (1345756841496).

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

1153505864106 is a wasteful number, since it uses less digits than its factorization.

1153505864106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64083659125 (or 64083659122 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 1153505864106 in words is "one trillion, one hundred fifty-three billion, five hundred five million, eight hundred sixty-four thousand, one hundred six".