26516553542 has 4 divisors (see below), whose sum is σ = 39774830316. Its totient is φ = 13258276770.

The previous prime is 26516553541. The next prime is 26516553551. The reversal of 26516553542 is 24535561562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24535561562 = 2 ⋅12267780781.

It is a super-2 number, since 2×26516553542² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26516553493 and 26516553502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26516553541) by changing a digit.

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 as a sum of consecutive naturals, namely, 6629138384 + ... + 6629138387.

It is an arithmetic number, because the mean of its divisors is an integer number (9943707579).

Almost surely, 2^26516553542 is an apocalyptic number.

26516553542 is a deficient number, since it is larger than the sum of its proper divisors (13258276774).

26516553542 is a wasteful number, since it uses less digits than its factorization.

26516553542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13258276773.

The product of its digits is 1080000, while the sum is 44.

The spelling of 26516553542 in words is "twenty-six billion, five hundred sixteen million, five hundred fifty-three thousand, five hundred forty-two".