82380640731511 has 16 divisors (see below), whose sum is σ = 83252265108480. Its totient is φ = 81510425468640.

The previous prime is 82380640731509. The next prime is 82380640731539. The reversal of 82380640731511 is 11513704608328.

It is a cyclic number.

It is not a de Polignac number, because 82380640731511 - 2¹ = 82380640731509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82380640731811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621097746 + ... + 621230368.

It is an arithmetic number, because the mean of its divisors is an integer number (5203266569280).

Almost surely, 2^{82380640731511} is an apocalyptic number.

82380640731511 is a deficient number, since it is larger than the sum of its proper divisors (871624376969).

82380640731511 is a wasteful number, since it uses less digits than its factorization.

82380640731511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137886.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 82380640731511 in words is "eighty-two trillion, three hundred eighty billion, six hundred forty million, seven hundred thirty-one thousand, five hundred eleven".