1115142552 has 64 divisors (see below), whose sum is σ = 3135909600. Its totient is φ = 371708352.

The previous prime is 1115142533. The next prime is 1115142569. The reversal of 1115142552 is 2552415111.

It is a happy number.

It is a super-2 number, since 2×1115142552² = 2487085822562145408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14373 + ... + 49364.

Almost surely, 2^1115142552 is an apocalyptic number.

1115142552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1115142552 is an abundant number, since it is smaller than the sum of its proper divisors (2020767048).

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

1115142552 is an frugal number, since it uses more digits than its factorization.

1115142552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63764 (or 63742 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 1115142552 is about 33393.7501937114. The cubic root of 1115142552 is about 1036.9953191050.

Adding to 1115142552 its reverse (2552415111), we get a palindrome (3667557663).

The spelling of 1115142552 in words is "one billion, one hundred fifteen million, one hundred forty-two thousand, five hundred fifty-two".