1151570387 has 16 divisors (see below), whose sum is σ = 1276680960. Its totient is φ = 1029996000.

The previous prime is 1151570347. The next prime is 1151570419. The reversal of 1151570387 is 7830751511.

It is not a de Polignac number, because 1151570387 - 2⁸ = 1151570131 is a prime.

It is a super-2 number, since 2×1151570387² = 2652228712430659538, which contains 22 as substring.

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 1151570387.

It is not an unprimeable number, because it can be changed into a prime (1151570317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177914 + ... + 184272.

It is an arithmetic number, because the mean of its divisors is an integer number (79792560).

Almost surely, 2^1151570387 is an apocalyptic number.

1151570387 is a deficient number, since it is larger than the sum of its proper divisors (125110573).

1151570387 is a wasteful number, since it uses less digits than its factorization.

1151570387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6634.

The product of its (nonzero) digits is 29400, while the sum is 38.

The square root of 1151570387 is about 33934.7961095982. The cubic root of 1151570387 is about 1048.1662284518.

The spelling of 1151570387 in words is "one billion, one hundred fifty-one million, five hundred seventy thousand, three hundred eighty-seven".