1153922685 has 16 divisors (see below), whose sum is σ = 1954881216. Its totient is φ = 579223808.

The previous prime is 1153922683. The next prime is 1153922713. The reversal of 1153922685 is 5862293511.

It is a cyclic number.

It is not a de Polignac number, because 1153922685 - 2¹ = 1153922683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153922681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2262339 + ... + 2262848.

It is an arithmetic number, because the mean of its divisors is an integer number (122180076).

Almost surely, 2^1153922685 is an apocalyptic number.

1153922685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153922685 is a deficient number, since it is larger than the sum of its proper divisors (800958531).

1153922685 is a wasteful number, since it uses less digits than its factorization.

1153922685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525212.

The product of its digits is 129600, while the sum is 42.

The square root of 1153922685 is about 33969.4375137417. The cubic root of 1153922685 is about 1048.8794349385.

The spelling of 1153922685 in words is "one billion, one hundred fifty-three million, nine hundred twenty-two thousand, six hundred eighty-five".