26161620524101 has 4 divisors (see below), whose sum is σ = 26161633562400. Its totient is φ = 26161607485804.

The previous prime is 26161620524087. The next prime is 26161620524113. The reversal of 26161620524101 is 10142502616162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26161620524101 - 2¹¹ = 26161620522053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26161620524191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2803411 + ... + 7757728.

It is an arithmetic number, because the mean of its divisors is an integer number (6540408390600).

Almost surely, 2^{26161620524101} is an apocalyptic number.

It is an amenable number.

26161620524101 is a deficient number, since it is larger than the sum of its proper divisors (13038299).

26161620524101 is a wasteful number, since it uses less digits than its factorization.

26161620524101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13038298.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 26161620524101 in words is "twenty-six trillion, one hundred sixty-one billion, six hundred twenty million, five hundred twenty-four thousand, one hundred one".