80262981513 has 32 divisors (see below), whose sum is σ = 139696260480. Its totient is φ = 44902365120.

The previous prime is 80262981511. The next prime is 80262981541. The reversal of 80262981513 is 31518926208.

80262981513 is a `hidden beast` number, since 8 + 0 + 2 + 629 + 8 + 1 + 5 + 13 = 666.

It is not a de Polignac number, because 80262981513 - 2¹ = 80262981511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80262981511) 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 31 ways as a sum of consecutive naturals, for example, 10390206 + ... + 10397927.

It is an arithmetic number, because the mean of its divisors is an integer number (4365508140).

Almost surely, 2^80262981513 is an apocalyptic number.

It is an amenable number.

80262981513 is a deficient number, since it is larger than the sum of its proper divisors (59433278967).

80262981513 is a wasteful number, since it uses less digits than its factorization.

80262981513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20788166 (or 20788160 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 80262981513 in words is "eighty billion, two hundred sixty-two million, nine hundred eighty-one thousand, five hundred thirteen".