1151427648 has 56 divisors (see below), whose sum is σ = 3481701952. Its totient is φ = 328978944.

The previous prime is 1151427631. The next prime is 1151427649. The reversal of 1151427648 is 8467241511.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (1151427649) 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, 427015 + ... + 429702.

Almost surely, 2^1151427648 is an apocalyptic number.

It is an amenable number.

1151427648 is an abundant number, since it is smaller than the sum of its proper divisors (2330274304).

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

1151427648 is an equidigital number, since it uses as much as digits as its factorization.

1151427648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856739 (or 856729 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 1151427648 is about 33932.6929081675. The cubic root of 1151427648 is about 1048.1229193663.

The spelling of 1151427648 in words is "one billion, one hundred fifty-one million, four hundred twenty-seven thousand, six hundred forty-eight".