1151563647 has 48 divisors (see below), whose sum is σ = 1757403648. Its totient is φ = 666653760.

The previous prime is 1151563579. The next prime is 1151563657. The reversal of 1151563647 is 7463651511.

It is not a de Polignac number, because 1151563647 - 2¹² = 1151559551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151563657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3702622 + ... + 3702932.

It is an arithmetic number, because the mean of its divisors is an integer number (36612576).

Almost surely, 2^1151563647 is an apocalyptic number.

1151563647 is a deficient number, since it is larger than the sum of its proper divisors (605840001).

1151563647 is a wasteful number, since it uses less digits than its factorization.

1151563647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 609 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 1151563647 is about 33934.6968013566. The cubic root of 1151563647 is about 1048.1641835185.

The spelling of 1151563647 in words is "one billion, one hundred fifty-one million, five hundred sixty-three thousand, six hundred forty-seven".