68212525461 has 16 divisors (see below), whose sum is σ = 97048347840. Its totient is φ = 42491433600.

The previous prime is 68212525417. The next prime is 68212525477. The reversal of 68212525461 is 16452521286.

68212525461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 68212525461 - 2⁹ = 68212524949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68212520461) 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, 8192490 + ... + 8200811.

It is an arithmetic number, because the mean of its divisors is an integer number (6065521740).

Almost surely, 2^68212525461 is an apocalyptic number.

It is an amenable number.

68212525461 is a deficient number, since it is larger than the sum of its proper divisors (28835822379).

68212525461 is a wasteful number, since it uses less digits than its factorization.

68212525461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16393396.

The product of its digits is 230400, while the sum is 42.

The spelling of 68212525461 in words is "sixty-eight billion, two hundred twelve million, five hundred twenty-five thousand, four hundred sixty-one".