11651012651 has 2 divisors, whose sum is σ = 11651012652. Its totient is φ = 11651012650.

The previous prime is 11651012617. The next prime is 11651012699. The reversal of 11651012651 is 15621015611.

11651012651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11651012651 - 2³⁰ = 10577270827 is a prime.

It is not a weakly prime, because it can be changed into another prime (11651062651) 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 as a sum of consecutive naturals, namely, 5825506325 + 5825506326.

It is an arithmetic number, because the mean of its divisors is an integer number (5825506326).

Almost surely, 2^11651012651 is an apocalyptic number.

11651012651 is a deficient number, since it is larger than the sum of its proper divisors (1).

11651012651 is an equidigital number, since it uses as much as digits as its factorization.

11651012651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 29.

The spelling of 11651012651 in words is "eleven billion, six hundred fifty-one million, twelve thousand, six hundred fifty-one".