1115432153 has 32 divisors (see below), whose sum is σ = 1278346752. Its totient is φ = 964454400.

The previous prime is 1115432141. The next prime is 1115432159. The reversal of 1115432153 is 3512345111.

It is a cyclic number.

It is not a de Polignac number, because 1115432153 - 2⁶ = 1115432089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115432159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3563525 + ... + 3563837.

It is an arithmetic number, because the mean of its divisors is an integer number (39948336).

Almost surely, 2^1115432153 is an apocalyptic number.

It is an amenable number.

1115432153 is a deficient number, since it is larger than the sum of its proper divisors (162914599).

1115432153 is a wasteful number, since it uses less digits than its factorization.

1115432153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545.

The product of its digits is 1800, while the sum is 26.

The square root of 1115432153 is about 33398.0860679171. The cubic root of 1115432153 is about 1037.0850800919.

Adding to 1115432153 its reverse (3512345111), we get a palindrome (4627777264).

The spelling of 1115432153 in words is "one billion, one hundred fifteen million, four hundred thirty-two thousand, one hundred fifty-three".