78249425411 has 6 divisors (see below), whose sum is σ = 80204499036. Its totient is φ = 76340901200.

The previous prime is 78249425389. The next prime is 78249425417. The reversal of 78249425411 is 11452494287.

It is not a de Polignac number, because 78249425411 - 2³⁴ = 61069556227 is a prime.

It is a super-2 number, since 2×78249425411² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78249425417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23272985 + ... + 23276346.

It is an arithmetic number, because the mean of its divisors is an integer number (13367416506).

Almost surely, 2^78249425411 is an apocalyptic number.

78249425411 is a deficient number, since it is larger than the sum of its proper divisors (1955073625).

78249425411 is an equidigital number, since it uses as much as digits as its factorization.

78249425411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46549413 (or 46549372 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The spelling of 78249425411 in words is "seventy-eight billion, two hundred forty-nine million, four hundred twenty-five thousand, four hundred eleven".