26343111552 has 64 divisors (see below), whose sum is σ = 72231144960. Its totient is φ = 8497774080.

The previous prime is 26343111551. The next prime is 26343111563. The reversal of 26343111552 is 25511134362.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×26343111552² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26343111551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1094578 + ... + 1118385.

It is an arithmetic number, because the mean of its divisors is an integer number (1128611640).

Almost surely, 2^26343111552 is an apocalyptic number.

It is an amenable number.

26343111552 is an abundant number, since it is smaller than the sum of its proper divisors (45888033408).

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

26343111552 is a wasteful number, since it uses less digits than its factorization.

26343111552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213011 (or 2212999 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The spelling of 26343111552 in words is "twenty-six billion, three hundred forty-three million, one hundred eleven thousand, five hundred fifty-two".