1152152681 has 4 divisors (see below), whose sum is σ = 1155857664. Its totient is φ = 1148447700.

The previous prime is 1152152671. The next prime is 1152152693. The reversal of 1152152681 is 1862512511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1862512511 = 33967 ⋅54833.

It is a cyclic number.

It is not a de Polignac number, because 1152152681 - 2²² = 1147958377 is a prime.

It is a super-2 number, since 2×1152152681² = 2654911600670975522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152152671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852025 + ... + 1852646.

It is an arithmetic number, because the mean of its divisors is an integer number (288964416).

Almost surely, 2^1152152681 is an apocalyptic number.

It is an amenable number.

1152152681 is a deficient number, since it is larger than the sum of its proper divisors (3704983).

1152152681 is an equidigital number, since it uses as much as digits as its factorization.

1152152681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704982.

The product of its digits is 4800, while the sum is 32.

The square root of 1152152681 is about 33943.3746259856. The cubic root of 1152152681 is about 1048.3428678387.

The spelling of 1152152681 in words is "one billion, one hundred fifty-two million, one hundred fifty-two thousand, six hundred eighty-one".