13161255026 has 4 divisors (see below), whose sum is σ = 19741882542. Its totient is φ = 6580627512.

The previous prime is 13161255001. The next prime is 13161255043. The reversal of 13161255026 is 62055216131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12368776225 + 792478801 = 111215^2 + 28151^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13161254983 and 13161255001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3290313755 + ... + 3290313758.

Almost surely, 2^13161255026 is an apocalyptic number.

13161255026 is a deficient number, since it is larger than the sum of its proper divisors (6580627516).

13161255026 is an equidigital number, since it uses as much as digits as its factorization.

13161255026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580627515.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 13161255026 in words is "thirteen billion, one hundred sixty-one million, two hundred fifty-five thousand, twenty-six".