1115012550552 has 128 divisors (see below), whose sum is σ = 2908195522560. Its totient is φ = 355850127360.

The previous prime is 1115012550541. The next prime is 1115012550563. The reversal of 1115012550552 is 2550552105111.

It is an interprime number because it is at equal distance from previous prime (1115012550541) and next prime (1115012550563).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47320758 + ... + 47344314.

It is an arithmetic number, because the mean of its divisors is an integer number (22720277520).

Almost surely, 2^{1115012550552} is an apocalyptic number.

1115012550552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115012550552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1454097761280).

1115012550552 is an abundant number, since it is smaller than the sum of its proper divisors (1793182972008).

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

1115012550552 is a wasteful number, since it uses less digits than its factorization.

1115012550552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24273 (or 24269 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 33.

Adding to 1115012550552 its reverse (2550552105111), we get a palindrome (3665564655663).

The spelling of 1115012550552 in words is "one trillion, one hundred fifteen billion, twelve million, five hundred fifty thousand, five hundred fifty-two".