1153391648 has 24 divisors (see below), whose sum is σ = 2288627712. Its totient is φ = 572152896.

The previous prime is 1153391647. The next prime is 1153391651. The reversal of 1153391648 is 8461933511.

It is not an unprimeable number, because it can be changed into a prime (1153391641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137840 + ... + 145967.

It is an arithmetic number, because the mean of its divisors is an integer number (95359488).

Almost surely, 2^1153391648 is an apocalyptic number.

It is an amenable number.

1153391648 is a deficient number, since it is larger than the sum of its proper divisors (1135236064).

1153391648 is a wasteful number, since it uses less digits than its factorization.

1153391648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283944 (or 283936 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 1153391648 is about 33961.6202204783. The cubic root of 1153391648 is about 1048.7185116055.

The spelling of 1153391648 in words is "one billion, one hundred fifty-three million, three hundred ninety-one thousand, six hundred forty-eight".