1151230551 has 8 divisors (see below), whose sum is σ = 1537480560. Its totient is φ = 766233792.

The previous prime is 1151230547. The next prime is 1151230571. The reversal of 1151230551 is 1550321511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1151230551 - 2² = 1151230547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151230571) 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, 311166 + ... + 314843.

It is an arithmetic number, because the mean of its divisors is an integer number (192185070).

Almost surely, 2^1151230551 is an apocalyptic number.

1151230551 is a deficient number, since it is larger than the sum of its proper divisors (386250009).

1151230551 is an equidigital number, since it uses as much as digits as its factorization.

1151230551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626625.

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1151230551 is about 33929.7885492969. The cubic root of 1151230551 is about 1048.0631113902.

The spelling of 1151230551 in words is "one billion, one hundred fifty-one million, two hundred thirty thousand, five hundred fifty-one".