1151339825 has 6 divisors (see below), whose sum is σ = 1427661414. Its totient is φ = 921071840.

The previous prime is 1151339821. The next prime is 1151339831. The reversal of 1151339825 is 5289331511.

It can be written as a sum of positive squares in 3 ways, for example, as 33373729 + 1117966096 = 5777^2 + 33436^2 .

It is not a de Polignac number, because 1151339825 - 2² = 1151339821 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151339821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23026772 + ... + 23026821.

It is an arithmetic number, because the mean of its divisors is an integer number (237943569).

Almost surely, 2^1151339825 is an apocalyptic number.

It is an amenable number.

1151339825 is a deficient number, since it is larger than the sum of its proper divisors (276321589).

1151339825 is an equidigital number, since it uses as much as digits as its factorization.

1151339825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46053603 (or 46053598 counting only the distinct ones).

The product of its digits is 32400, while the sum is 38.

The square root of 1151339825 is about 33931.3988070047. The cubic root of 1151339825 is about 1048.0962708140.

The spelling of 1151339825 in words is "one billion, one hundred fifty-one million, three hundred thirty-nine thousand, eight hundred twenty-five".