105592431378 has 64 divisors (see below), whose sum is σ = 246021380352. Its totient is φ = 29586385920.

The previous prime is 105592431359. The next prime is 105592431383. The reversal of 105592431378 is 873134295501.

It is a super-2 number, since 2×105592431378² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5423950 + ... + 5443382.

It is an arithmetic number, because the mean of its divisors is an integer number (3844084068).

Almost surely, 2^105592431378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105592431378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123010690176).

105592431378 is an abundant number, since it is smaller than the sum of its proper divisors (140428948974).

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

105592431378 is a wasteful number, since it uses less digits than its factorization.

105592431378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21939.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 105592431378 in words is "one hundred five billion, five hundred ninety-two million, four hundred thirty-one thousand, three hundred seventy-eight".