611040651 has 16 divisors (see below), whose sum is σ = 878519040. Its totient is φ = 375541920.

The previous prime is 611040631. The next prime is 611040653. The reversal of 611040651 is 156040116.

It is not a de Polignac number, because 611040651 - 2⁷ = 611040523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (611040653) 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 15 ways as a sum of consecutive naturals, for example, 21970 + ... + 41288.

It is an arithmetic number, because the mean of its divisors is an integer number (54907440).

Almost surely, 2^611040651 is an apocalyptic number.

611040651 is a deficient number, since it is larger than the sum of its proper divisors (267478389).

611040651 is a wasteful number, since it uses less digits than its factorization.

611040651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20146.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 611040651 is about 24719.2364566546. The cubic root of 611040651 is about 848.5746126814.

Adding to 611040651 its reverse (156040116), we get a palindrome (767080767).

The spelling of 611040651 in words is "six hundred eleven million, forty thousand, six hundred fifty-one".