1131515052 has 24 divisors (see below), whose sum is σ = 2643216576. Its totient is φ = 376741008.

The previous prime is 1131515017. The next prime is 1131515057. The reversal of 1131515052 is 2505151311.

It is not an unprimeable number, because it can be changed into a prime (1131515057) 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, 42798 + ... + 63989.

It is an arithmetic number, because the mean of its divisors is an integer number (110134024).

Almost surely, 2^1131515052 is an apocalyptic number.

1131515052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131515052 is an abundant number, since it is smaller than the sum of its proper divisors (1511701524).

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

1131515052 is a wasteful number, since it uses less digits than its factorization.

1131515052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107677 (or 107675 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1131515052 is about 33638.0001189131. Note that the first 3 decimals coincide. The cubic root of 1131515052 is about 1042.0457304603.

Adding to 1131515052 its reverse (2505151311), we get a palindrome (3636666363).

The spelling of 1131515052 in words is "one billion, one hundred thirty-one million, five hundred fifteen thousand, fifty-two".