13155447061 has 16 divisors (see below), whose sum is σ = 13552905600. Its totient is φ = 12764645568.

The previous prime is 13155447017. The next prime is 13155447089. The reversal of 13155447061 is 16074455131.

It is a cyclic number.

It is not a de Polignac number, because 13155447061 - 2⁷ = 13155446933 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 13155447061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155447761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922995 + ... + 1929823.

It is an arithmetic number, because the mean of its divisors is an integer number (847056600).

Almost surely, 2^13155447061 is an apocalyptic number.

It is an amenable number.

13155447061 is a deficient number, since it is larger than the sum of its proper divisors (397458539).

13155447061 is a wasteful number, since it uses less digits than its factorization.

13155447061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7308.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 13155447061 in words is "thirteen billion, one hundred fifty-five million, four hundred forty-seven thousand, sixty-one".