1115452155 has 8 divisors (see below), whose sum is σ = 1784723472. Its totient is φ = 594907808.

The previous prime is 1115452147. The next prime is 1115452157. The reversal of 1115452155 is 5512545111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1115452155 - 2³ = 1115452147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1115452157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37181724 + ... + 37181753.

It is an arithmetic number, because the mean of its divisors is an integer number (223090434).

Almost surely, 2^1115452155 is an apocalyptic number.

1115452155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1115452155 is a deficient number, since it is larger than the sum of its proper divisors (669271317).

1115452155 is an equidigital number, since it uses as much as digits as its factorization.

1115452155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74363485.

The product of its digits is 5000, while the sum is 30.

The square root of 1115452155 is about 33398.3855148718. The cubic root of 1115452155 is about 1037.0912790800.

Adding to 1115452155 its reverse (5512545111), we get a palindrome (6627997266).

The spelling of 1115452155 in words is "one billion, one hundred fifteen million, four hundred fifty-two thousand, one hundred fifty-five".