13561161022 has 16 divisors (see below), whose sum is σ = 20535521760. Its totient is φ = 6716279392.

The previous prime is 13561161007. The next prime is 13561161037. The reversal of 13561161022 is 22016116531.

It is an interprime number because it is at equal distance from previous prime (13561161007) and next prime (13561161037).

It is a super-2 number, since 2×13561161022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20223 + ... + 165925.

It is an arithmetic number, because the mean of its divisors is an integer number (1283470110).

Almost surely, 2^13561161022 is an apocalyptic number.

13561161022 is a deficient number, since it is larger than the sum of its proper divisors (6974360738).

13561161022 is a wasteful number, since it uses less digits than its factorization.

13561161022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146147.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 13561161022 its reverse (22016116531), we get a palindrome (35577277553).

The spelling of 13561161022 in words is "thirteen billion, five hundred sixty-one million, one hundred sixty-one thousand, twenty-two".