26013212505072 has 120 divisors (see below), whose sum is σ = 78463211626800. Its totient is φ = 7997707183104.

The previous prime is 26013212505043. The next prime is 26013212505097. The reversal of 26013212505072 is 27050521231062.

26013212505072 is a `hidden beast` number, since 2 + 6 + 0 + 132 + 12 + 5 + 0 + 507 + 2 = 666.

It is a super-3 number, since 3×26013212505072³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 in 23 ways as a sum of consecutive naturals, for example, 3161797 + ... + 7875492.

It is an arithmetic number, because the mean of its divisors is an integer number (653860096890).

Almost surely, 2^{26013212505072} is an apocalyptic number.

It is an amenable number.

26013212505072 is an abundant number, since it is smaller than the sum of its proper divisors (52449999121728).

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

26013212505072 is a wasteful number, since it uses less digits than its factorization.

26013212505072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11038575 (or 11038566 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 26013212505072 in words is "twenty-six trillion, thirteen billion, two hundred twelve million, five hundred five thousand, seventy-two".