1115901472 has 48 divisors (see below), whose sum is σ = 2513028672. Its totient is φ = 477815040.

The previous prime is 1115901443. The next prime is 1115901473. The reversal of 1115901472 is 2741095111.

It is not an unprimeable number, because it can be changed into a prime (1115901473) 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, 496383 + ... + 498625.

It is an arithmetic number, because the mean of its divisors is an integer number (52354764).

Almost surely, 2^1115901472 is an apocalyptic number.

It is an amenable number.

1115901472 is an abundant number, since it is smaller than the sum of its proper divisors (1397127200).

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

1115901472 is a wasteful number, since it uses less digits than its factorization.

1115901472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481 (or 4473 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 1115901472 is about 33405.1114651635. Note that the first 3 decimals coincide. The cubic root of 1115901472 is about 1037.2305111652.

Adding to 1115901472 its reverse (2741095111), we get a palindrome (3856996583).

The spelling of 1115901472 in words is "one billion, one hundred fifteen million, nine hundred one thousand, four hundred seventy-two".