761220011 has 2 divisors, whose sum is σ = 761220012. Its totient is φ = 761220010.

The previous prime is 761219993. The next prime is 761220041. The reversal of 761220011 is 110022167.

It is a weak prime.

It is an emirp because it is prime and its reverse (110022167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 761220011 - 2¹⁸ = 760957867 is a prime.

It is not a weakly prime, because it can be changed into another prime (761220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380610005 + 380610006.

It is an arithmetic number, because the mean of its divisors is an integer number (380610006).

Almost surely, 2^761220011 is an apocalyptic number.

761220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

761220011 is an equidigital number, since it uses as much as digits as its factorization.

761220011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 761220011 is about 27590.2158563502. The cubic root of 761220011 is about 913.0685810521.

Adding to 761220011 its reverse (110022167), we get a palindrome (871242178).

The spelling of 761220011 in words is "seven hundred sixty-one million, two hundred twenty thousand, eleven".