613611552141 has 40 divisors (see below), whose sum is σ = 1065332283840. Its totient is φ = 344692184832.

The previous prime is 613611552139. The next prime is 613611552163. The reversal of 613611552141 is 141255116316.

613611552141 is a `hidden beast` number, since 6 + 1 + 3 + 61 + 1 + 552 + 1 + 41 = 666.

It is not a de Polignac number, because 613611552141 - 2¹ = 613611552139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 613611552096 and 613611552105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613611552101) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9137796 + ... + 9204701.

It is an arithmetic number, because the mean of its divisors is an integer number (26633307096).

Almost surely, 2^613611552141 is an apocalyptic number.

It is an amenable number.

613611552141 is a deficient number, since it is larger than the sum of its proper divisors (451720731699).

613611552141 is a wasteful number, since it uses less digits than its factorization.

613611552141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18342575 (or 18342566 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

Adding to 613611552141 its reverse (141255116316), we get a palindrome (754866668457).

The spelling of 613611552141 in words is "six hundred thirteen billion, six hundred eleven million, five hundred fifty-two thousand, one hundred forty-one".