26542061031 has 4 divisors (see below), whose sum is σ = 35389414712. Its totient is φ = 17694707352.

The previous prime is 26542061011. The next prime is 26542061047. The reversal of 26542061031 is 13016024562.

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

It is not a de Polignac number, because 26542061031 - 2⁶ = 26542060967 is a prime.

It is a super-3 number, since 3×26542061031³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26542061031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26542061011) 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, 4423676836 + ... + 4423676841.

It is an arithmetic number, because the mean of its divisors is an integer number (8847353678).

Almost surely, 2^26542061031 is an apocalyptic number.

26542061031 is a deficient number, since it is larger than the sum of its proper divisors (8847353681).

26542061031 is an equidigital number, since it uses as much as digits as its factorization.

26542061031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8847353680.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 26542061031 its reverse (13016024562), we get a palindrome (39558085593).

The spelling of 26542061031 in words is "twenty-six billion, five hundred forty-two million, sixty-one thousand, thirty-one".