1151256206 has 4 divisors (see below), whose sum is σ = 1726884312. Its totient is φ = 575628102.

The previous prime is 1151256199. The next prime is 1151256229. The reversal of 1151256206 is 6026521511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6026521511 = 131 ⋅46003981.

It is a super-3 number, since 3×1151256206³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287814050 + ... + 287814053.

It is an arithmetic number, because the mean of its divisors is an integer number (431721078).

Almost surely, 2^1151256206 is an apocalyptic number.

1151256206 is a deficient number, since it is larger than the sum of its proper divisors (575628106).

1151256206 is an equidigital number, since it uses as much as digits as its factorization.

1151256206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575628105.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1151256206 is about 33930.1666073127. The cubic root of 1151256206 is about 1048.0708966421.

Adding to 1151256206 its reverse (6026521511), we get a palindrome (7177777717).

The spelling of 1151256206 in words is "one billion, one hundred fifty-one million, two hundred fifty-six thousand, two hundred six".