1115900648 has 8 divisors (see below), whose sum is σ = 2092313730. Its totient is φ = 557950320.

The previous prime is 1115900629. The next prime is 1115900671. The reversal of 1115900648 is 8460095111.

It can be written as a sum of positive squares in only one way, i.e., 1020291364 + 95609284 = 31942^2 + 9778^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69743783 + ... + 69743798.

Almost surely, 2^1115900648 is an apocalyptic number.

It is an amenable number.

1115900648 is a deficient number, since it is larger than the sum of its proper divisors (976413082).

1115900648 is a wasteful number, since it uses less digits than its factorization.

1115900648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139487587 (or 139487583 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 1115900648 is about 33405.0991317194. The cubic root of 1115900648 is about 1037.2302558624.

Adding to 1115900648 its reverse (8460095111), we get a palindrome (9575995759).

The spelling of 1115900648 in words is "one billion, one hundred fifteen million, nine hundred thousand, six hundred forty-eight".