26120125061 has 8 divisors (see below), whose sum is σ = 26759405400. Its totient is φ = 25480949760.

The previous prime is 26120125033. The next prime is 26120125079. The reversal of 26120125061 is 16052102162.

It can be written as a sum of positive squares in 4 ways, for example, as 2007936100 + 24112188961 = 44810^2 + 155281^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26120125061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26120125061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26120125021) 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, 765125 + ... + 798533.

It is an arithmetic number, because the mean of its divisors is an integer number (3344925675).

Almost surely, 2^26120125061 is an apocalyptic number.

It is an amenable number.

26120125061 is a deficient number, since it is larger than the sum of its proper divisors (639280339).

26120125061 is a wasteful number, since it uses less digits than its factorization.

26120125061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52519.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 26120125061 in words is "twenty-six billion, one hundred twenty million, one hundred twenty-five thousand, sixty-one".