1153653555 has 16 divisors (see below), whose sum is σ = 1846278144. Its totient is φ = 615137760.

The previous prime is 1153653551. The next prime is 1153653559. The reversal of 1153653555 is 5553563511.

It is an interprime number because it is at equal distance from previous prime (1153653551) and next prime (1153653559).

It is not a de Polignac number, because 1153653555 - 2² = 1153653551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153653551) 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, 98670 + ... + 109740.

It is an arithmetic number, because the mean of its divisors is an integer number (115392384).

Almost surely, 2^1153653555 is an apocalyptic number.

1153653555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1153653555 is a deficient number, since it is larger than the sum of its proper divisors (692624589).

1153653555 is a wasteful number, since it uses less digits than its factorization.

1153653555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18026.

The product of its digits is 168750, while the sum is 39.

The square root of 1153653555 is about 33965.4759277711. The cubic root of 1153653555 is about 1048.7978850291.

The spelling of 1153653555 in words is "one billion, one hundred fifty-three million, six hundred fifty-three thousand, five hundred fifty-five".