68861025130 has 8 divisors (see below), whose sum is σ = 123949845252. Its totient is φ = 27544410048.

The previous prime is 68861025109. The next prime is 68861025131. The reversal of 68861025130 is 3152016886.

It can be written as a sum of positive squares in 2 ways, for example, as 68432990409 + 428034721 = 261597^2 + 20689^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68861025131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3443051247 + ... + 3443051266.

Almost surely, 2^68861025130 is an apocalyptic number.

68861025130 is a deficient number, since it is larger than the sum of its proper divisors (55088820122).

68861025130 is a wasteful number, since it uses less digits than its factorization.

68861025130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886102520.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 68861025130 in words is "sixty-eight billion, eight hundred sixty-one million, twenty-five thousand, one hundred thirty".