1153051256 has 16 divisors (see below), whose sum is σ = 2470824240. Its totient is φ = 494164800.

The previous prime is 1153051217. The next prime is 1153051303. The reversal of 1153051256 is 6521503511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10295045 + ... + 10295156.

It is an arithmetic number, because the mean of its divisors is an integer number (154426515).

Almost surely, 2^1153051256 is an apocalyptic number.

It is an amenable number.

1153051256 is an abundant number, since it is smaller than the sum of its proper divisors (1317772984).

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

1153051256 is a wasteful number, since it uses less digits than its factorization.

1153051256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20590214 (or 20590210 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1153051256 is about 33956.6084289936. The cubic root of 1153051256 is about 1048.6153345927.

Adding to 1153051256 its reverse (6521503511), we get a palindrome (7674554767).

The spelling of 1153051256 in words is "one billion, one hundred fifty-three million, fifty-one thousand, two hundred fifty-six".