108567251432778 has 64 divisors (see below), whose sum is σ = 227177138552832. Its totient is φ = 34523758051200.

The previous prime is 108567251432771. The next prime is 108567251432779. The reversal of 108567251432778 is 877234152765801.

It is not an unprimeable number, because it can be changed into a prime (108567251432771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111277878 + ... + 112249278.

It is an arithmetic number, because the mean of its divisors is an integer number (3549642789888).

Almost surely, 2^{108567251432778} is an apocalyptic number.

108567251432778 is an abundant number, since it is smaller than the sum of its proper divisors (118609887120054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108567251432778 is a wasteful number, since it uses less digits than its factorization.

108567251432778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973579.

The product of its (nonzero) digits is 158054400, while the sum is 66.

The spelling of 108567251432778 in words is "one hundred eight trillion, five hundred sixty-seven billion, two hundred fifty-one million, four hundred thirty-two thousand, seven hundred seventy-eight".