1151040651 has 4 divisors (see below), whose sum is σ = 1534720872. Its totient is φ = 767360432.

The previous prime is 1151040647. The next prime is 1151040673. The reversal of 1151040651 is 1560401511.

1151040651 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1151040651 - 2² = 1151040647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151040151) 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, 191840106 + ... + 191840111.

It is an arithmetic number, because the mean of its divisors is an integer number (383680218).

Almost surely, 2^1151040651 is an apocalyptic number.

1151040651 is a deficient number, since it is larger than the sum of its proper divisors (383680221).

1151040651 is an equidigital number, since it uses as much as digits as its factorization.

1151040651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383680220.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1151040651 is about 33926.9900079568. The cubic root of 1151040651 is about 1048.0054808461.

The spelling of 1151040651 in words is "one billion, one hundred fifty-one million, forty thousand, six hundred fifty-one".