26506125753742 has 4 divisors (see below), whose sum is σ = 39759188630616. Its totient is φ = 13253062876870.

The previous prime is 26506125753721. The next prime is 26506125753791. The reversal of 26506125753742 is 24735752160562.

It is a semiprime because it is the product of two primes.

It is a super-4 number, since 4×26506125753742⁴ (a number of 55 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6626531438434 + ... + 6626531438437.

It is an arithmetic number, because the mean of its divisors is an integer number (9939797157654).

Almost surely, 2^{26506125753742} is an apocalyptic number.

26506125753742 is a deficient number, since it is larger than the sum of its proper divisors (13253062876874).

26506125753742 is a wasteful number, since it uses less digits than its factorization.

26506125753742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13253062876873.

The product of its (nonzero) digits is 21168000, while the sum is 55.

The spelling of 26506125753742 in words is "twenty-six trillion, five hundred six billion, one hundred twenty-five million, seven hundred fifty-three thousand, seven hundred forty-two".