26021122036572 has 96 divisors (see below), whose sum is σ = 67175737521984. Its totient is φ = 7787540275200.

The previous prime is 26021122036543. The next prime is 26021122036601. The reversal of 26021122036572 is 27563022112062.

It is an interprime number because it is at equal distance from previous prime (26021122036543) and next prime (26021122036601).

It is a super-2 number, since 2×26021122036572² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 26021122036572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16811422 + ... + 18293882.

It is an arithmetic number, because the mean of its divisors is an integer number (699747265854).

Almost surely, 2^{26021122036572} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26021122036572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33587868760992).

26021122036572 is an abundant number, since it is smaller than the sum of its proper divisors (41154615485412).

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

26021122036572 is a wasteful number, since it uses less digits than its factorization.

26021122036572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1485559 (or 1485557 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 26021122036572 in words is "twenty-six trillion, twenty-one billion, one hundred twenty-two million, thirty-six thousand, five hundred seventy-two".