26544150061 has 24 divisors (see below), whose sum is σ = 31936197272. Its totient is φ = 21909571200.

The previous prime is 26544150041. The next prime is 26544150077. The reversal of 26544150061 is 16005144562.

It can be written as a sum of positive squares in 4 ways, for example, as 5027660836 + 21516489225 = 70906^2 + 146685^2 .

It is not a de Polignac number, because 26544150061 - 2⁹ = 26544149549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26544149999 and 26544150026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26544150041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42366 + ... + 234271.

Almost surely, 2^26544150061 is an apocalyptic number.

It is an amenable number.

26544150061 is a deficient number, since it is larger than the sum of its proper divisors (5392047211).

26544150061 is a wasteful number, since it uses less digits than its factorization.

26544150061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276733 (or 276722 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 26544150061 in words is "twenty-six billion, five hundred forty-four million, one hundred fifty thousand, sixty-one".