761220459811 has 16 divisors (see below), whose sum is σ = 871074360000. Its totient is φ = 651644098560.

The previous prime is 761220459809. The next prime is 761220459833. The reversal of 761220459811 is 118954022167.

It is not a de Polignac number, because 761220459811 - 2¹ = 761220459809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (761220459841) 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 in 15 ways as a sum of consecutive naturals, for example, 19538631 + ... + 19577551.

It is an arithmetic number, because the mean of its divisors is an integer number (54442147500).

Almost surely, 2^761220459811 is an apocalyptic number.

761220459811 is a deficient number, since it is larger than the sum of its proper divisors (109853900189).

761220459811 is a wasteful number, since it uses less digits than its factorization.

761220459811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42414.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 761220459811 in words is "seven hundred sixty-one billion, two hundred twenty million, four hundred fifty-nine thousand, eight hundred eleven".