80785357611 has 16 divisors (see below), whose sum is σ = 123133586688. Its totient is φ = 46151028000.

The previous prime is 80785357571. The next prime is 80785357661. The reversal of 80785357611 is 11675358708.

It is not a de Polignac number, because 80785357611 - 2⁶ = 80785357547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80785357661) 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, 418600 + ... + 580341.

It is an arithmetic number, because the mean of its divisors is an integer number (7695849168).

Almost surely, 2^80785357611 is an apocalyptic number.

80785357611 is a deficient number, since it is larger than the sum of its proper divisors (42348229077).

80785357611 is a wasteful number, since it uses less digits than its factorization.

80785357611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002802.

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 80785357611 in words is "eighty billion, seven hundred eighty-five million, three hundred fifty-seven thousand, six hundred eleven".