1115448530 has 32 divisors (see below), whose sum is σ = 2302960896. Its totient is φ = 381052224.

The previous prime is 1115448527. The next prime is 1115448539. The reversal of 1115448530 is 358445111.

It is not an unprimeable number, because it can be changed into a prime (1115448539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9374 + ... + 48153.

It is an arithmetic number, because the mean of its divisors is an integer number (71967528).

Almost surely, 2^1115448530 is an apocalyptic number.

1115448530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115448530 is an abundant number, since it is smaller than the sum of its proper divisors (1187512366).

1115448530 is a wasteful number, since it uses less digits than its factorization.

1115448530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57818.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 1115448530 is about 33398.3312457374. The cubic root of 1115448530 is about 1037.0901556312.

It can be divided in two parts, 11 and 15448530, that multiplied together give a triangular number (169933830 = T₁₈₄₃₅).

The spelling of 1115448530 in words is "one billion, one hundred fifteen million, four hundred forty-eight thousand, five hundred thirty".