26157891142 has 8 divisors (see below), whose sum is σ = 39789468432. Its totient is φ = 12894735000.

The previous prime is 26157891103. The next prime is 26157891161. The reversal of 26157891142 is 24119875162.

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

It is a junction number, because it is equal to n+sod(n) for n = 26157891092 and 26157891101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92105109 + ... + 92105392.

It is an arithmetic number, because the mean of its divisors is an integer number (4973683554).

Almost surely, 2^26157891142 is an apocalyptic number.

26157891142 is a deficient number, since it is larger than the sum of its proper divisors (13631577290).

26157891142 is a wasteful number, since it uses less digits than its factorization.

26157891142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184210574.

The product of its digits is 241920, while the sum is 46.

The spelling of 26157891142 in words is "twenty-six billion, one hundred fifty-seven million, eight hundred ninety-one thousand, one hundred forty-two".