1115898651 has 48 divisors (see below), whose sum is σ = 1897718784. Its totient is φ = 618518592.

The previous prime is 1115898647. The next prime is 1115898653. The reversal of 1115898651 is 1568985111.

1115898651 is a `hidden beast` number, since 1 + 1 + 1 + 589 + 8 + 65 + 1 = 666.

It is not a de Polignac number, because 1115898651 - 2² = 1115898647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1115898597 and 1115898606.

It is not an unprimeable number, because it can be changed into a prime (1115898653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1134706 + ... + 1135688.

It is an arithmetic number, because the mean of its divisors is an integer number (39535808).

Almost surely, 2^1115898651 is an apocalyptic number.

1115898651 is a deficient number, since it is larger than the sum of its proper divisors (781820133).

1115898651 is a wasteful number, since it uses less digits than its factorization.

1115898651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1520 (or 1517 counting only the distinct ones).

The product of its digits is 86400, while the sum is 45.

The square root of 1115898651 is about 33405.0692410598. The cubic root of 1115898651 is about 1037.2296371245.

The spelling of 1115898651 in words is "one billion, one hundred fifteen million, eight hundred ninety-eight thousand, six hundred fifty-one".