1011152115 has 24 divisors (see below), whose sum is σ = 1755026208. Its totient is φ = 538554240.

The previous prime is 1011152099. The next prime is 1011152119. The reversal of 1011152115 is 5112511101.

It is not a de Polignac number, because 1011152115 - 2⁴ = 1011152099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011152119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19482 + ... + 49008.

It is an arithmetic number, because the mean of its divisors is an integer number (73126092).

Almost surely, 2^1011152115 is an apocalyptic number.

1011152115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1011152115 is a deficient number, since it is larger than the sum of its proper divisors (743874093).

1011152115 is a wasteful number, since it uses less digits than its factorization.

1011152115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30299 (or 30296 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 18.

The square root of 1011152115 is about 31798.6181303528. The cubic root of 1011152115 is about 1003.7036377995.

Adding to 1011152115 its reverse (5112511101), we get a palindrome (6123663216).

It can be divided in two parts, 10111 and 52115, that added together give a palindrome (62226).

The spelling of 1011152115 in words is "one billion, eleven million, one hundred fifty-two thousand, one hundred fifteen".