13331061725 has 6 divisors (see below), whose sum is σ = 16530516570. Its totient is φ = 10664849360.

The previous prime is 13331061721. The next prime is 13331061749. The reversal of 13331061725 is 52716013331.

It can be written as a sum of positive squares in 3 ways, for example, as 3278593081 + 10052468644 = 57259^2 + 100262^2 .

It is not a de Polignac number, because 13331061725 - 2² = 13331061721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13331061691 and 13331061700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331061721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 266621210 + ... + 266621259.

It is an arithmetic number, because the mean of its divisors is an integer number (2755086095).

Almost surely, 2^13331061725 is an apocalyptic number.

It is an amenable number.

13331061725 is a deficient number, since it is larger than the sum of its proper divisors (3199454845).

13331061725 is an equidigital number, since it uses as much as digits as its factorization.

13331061725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533242479 (or 533242474 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The spelling of 13331061725 in words is "thirteen billion, three hundred thirty-one million, sixty-one thousand, seven hundred twenty-five".