78020245460011 has 8 divisors (see below), whose sum is σ = 80134850389680. Its totient is φ = 75905953669728.

The previous prime is 78020245459987. The next prime is 78020245460051. The reversal of 78020245460011 is 11006454202087.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78020245460011 - 2¹¹ = 78020245457963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78020245460051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77779741 + ... + 78776446.

It is an arithmetic number, because the mean of its divisors is an integer number (10016856298710).

Almost surely, 2^{78020245460011} is an apocalyptic number.

78020245460011 is a deficient number, since it is larger than the sum of its proper divisors (2114604929669).

78020245460011 is a wasteful number, since it uses less digits than its factorization.

78020245460011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156569693.

The product of its (nonzero) digits is 107520, while the sum is 40.

Adding to 78020245460011 its reverse (11006454202087), we get a palindrome (89026699662098).

The spelling of 78020245460011 in words is "seventy-eight trillion, twenty billion, two hundred forty-five million, four hundred sixty thousand, eleven".