1115408532 has 96 divisors (see below), whose sum is σ = 3048192000. Its totient is φ = 310856832.

The previous prime is 1115408507. The next prime is 1115408557. The reversal of 1115408532 is 2358045111.

It is an interprime number because it is at equal distance from previous prime (1115408507) and next prime (1115408557).

It is a self number, because there is not a number n which added to its sum of digits gives 1115408532.

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, 885319 + ... + 886577.

It is an arithmetic number, because the mean of its divisors is an integer number (31752000).

Almost surely, 2^1115408532 is an apocalyptic number.

1115408532 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 1115408532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524096000).

1115408532 is an abundant number, since it is smaller than the sum of its proper divisors (1932783468).

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

1115408532 is a wasteful number, since it uses less digits than its factorization.

1115408532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1523 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 1115408532 is about 33397.7324379964. The cubic root of 1115408532 is about 1037.0777594137.

The spelling of 1115408532 in words is "one billion, one hundred fifteen million, four hundred eight thousand, five hundred thirty-two".