15613401101 has 4 divisors (see below), whose sum is σ = 15994215804. Its totient is φ = 15232586400.

The previous prime is 15613401061. The next prime is 15613401151. The reversal of 15613401101 is 10110431651.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10110431651 = 151 ⋅66956501.

It can be written as a sum of positive squares in 2 ways, for example, as 9068752900 + 6544648201 = 95230^2 + 80899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15613401101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15613401151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190407290 + ... + 190407371.

It is an arithmetic number, because the mean of its divisors is an integer number (3998553951).

Almost surely, 2^15613401101 is an apocalyptic number.

It is an amenable number.

15613401101 is a deficient number, since it is larger than the sum of its proper divisors (380814703).

15613401101 is an equidigital number, since it uses as much as digits as its factorization.

15613401101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380814702.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 15613401101 its reverse (10110431651), we get a palindrome (25723832752).

The spelling of 15613401101 in words is "fifteen billion, six hundred thirteen million, four hundred one thousand, one hundred one".