26121426156612 has 36 divisors (see below), whose sum is σ = 66151210816236. Its totient is φ = 8691047513280.

The previous prime is 26121426156607. The next prime is 26121426156667. The reversal of 26121426156612 is 21665162412162.

26121426156612 is a `hidden beast` number, since 2 + 6 + 1 + 2 + 1 + 4 + 26 + 1 + 5 + 6 + 612 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10887267771396 + 15234158385216 = 3299586^2 + 3903096^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670586043 + ... + 670624994.

Almost surely, 2^{26121426156612} is an apocalyptic number.

It is an amenable number.

26121426156612 is an abundant number, since it is smaller than the sum of its proper divisors (40029784659624).

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

26121426156612 is a wasteful number, since it uses less digits than its factorization.

26121426156612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341211588 (or 1341211583 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

Adding to 26121426156612 its reverse (21665162412162), we get a palindrome (47786588568774).

The spelling of 26121426156612 in words is "twenty-six trillion, one hundred twenty-one billion, four hundred twenty-six million, one hundred fifty-six thousand, six hundred twelve".