1156566151 has 12 divisors (see below), whose sum is σ = 1323113512. Its totient is φ = 1004796288.

The previous prime is 1156566149. The next prime is 1156566163. The reversal of 1156566151 is 1516656511.

It is not a de Polignac number, because 1156566151 - 2¹ = 1156566149 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1156566151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156566121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150165 + ... + 157678.

Almost surely, 2^1156566151 is an apocalyptic number.

1156566151 is a deficient number, since it is larger than the sum of its proper divisors (166547361).

1156566151 is a wasteful number, since it uses less digits than its factorization.

1156566151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307890 (or 307873 counting only the distinct ones).

The product of its digits is 27000, while the sum is 37.

The square root of 1156566151 is about 34008.3247308655. The cubic root of 1156566151 is about 1049.6797665917.

The spelling of 1156566151 in words is "one billion, one hundred fifty-six million, five hundred sixty-six thousand, one hundred fifty-one".