1150561651 has 8 divisors (see below), whose sum is σ = 1165071600. Its totient is φ = 1136087040.

The previous prime is 1150561619. The next prime is 1150561667. The reversal of 1150561651 is 1561650511.

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

It is a cyclic number.

It is not a de Polignac number, because 1150561651 - 2⁵ = 1150561619 is a prime.

It is a super-2 number, since 2×1150561651² = 2647584225503691602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1150561681) 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, 60036 + ... + 76846.

It is an arithmetic number, because the mean of its divisors is an integer number (145633950).

Almost surely, 2^1150561651 is an apocalyptic number.

1150561651 is a deficient number, since it is larger than the sum of its proper divisors (14509949).

1150561651 is an equidigital number, since it uses as much as digits as its factorization.

1150561651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17669.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 1150561651 is about 33919.9299969797. The cubic root of 1150561651 is about 1047.8600865384.

The spelling of 1150561651 in words is "one billion, one hundred fifty million, five hundred sixty-one thousand, six hundred fifty-one".