26106556102557 has 8 divisors (see below), whose sum is σ = 39781418822976. Its totient is φ = 14918032058592.

The previous prime is 26106556102537. The next prime is 26106556102573. The reversal of 26106556102557 is 75520165560162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26106556102557 - 2⁶ = 26106556102493 is a prime.

It is a super-2 number, since 2×26106556102557² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26106556102537) 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, 621584669088 + ... + 621584669129.

It is an arithmetic number, because the mean of its divisors is an integer number (4972677352872).

Almost surely, 2^{26106556102557} is an apocalyptic number.

It is an amenable number.

26106556102557 is a deficient number, since it is larger than the sum of its proper divisors (13674862720419).

26106556102557 is a wasteful number, since it uses less digits than its factorization.

26106556102557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243169338227.

The product of its (nonzero) digits is 3780000, while the sum is 51.

The spelling of 26106556102557 in words is "twenty-six trillion, one hundred six billion, five hundred fifty-six million, one hundred two thousand, five hundred fifty-seven".