1151254015 has 4 divisors (see below), whose sum is σ = 1381504824. Its totient is φ = 921003208.

The previous prime is 1151254003. The next prime is 1151254021. The reversal of 1151254015 is 5104521511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1151254015 - 2⁹ = 1151253503 is a prime.

It is a Duffinian number.

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, 115125397 + ... + 115125406.

It is an arithmetic number, because the mean of its divisors is an integer number (345376206).

Almost surely, 2^1151254015 is an apocalyptic number.

1151254015 is a deficient number, since it is larger than the sum of its proper divisors (230250809).

1151254015 is an equidigital number, since it uses as much as digits as its factorization.

1151254015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230250808.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 1151254015 is about 33930.1343203943. The cubic root of 1151254015 is about 1048.0702317670.

Adding to 1151254015 its reverse (5104521511), we get a palindrome (6255775526).

The spelling of 1151254015 in words is "one billion, one hundred fifty-one million, two hundred fifty-four thousand, fifteen".