61162361153631 has 6 divisors (see below), whose sum is σ = 88345632777480. Its totient is φ = 40774907435748.

The previous prime is 61162361153603. The next prime is 61162361153633. The reversal of 61162361153631 is 13635116326116.

61162361153631 is a `hidden beast` number, since 6 + 1 + 1 + 6 + 2 + 3 + 6 + 1 + 1 + 5 + 3 + 631 = 666.

It is not a de Polignac number, because 61162361153631 - 2¹⁵ = 61162361120863 is a prime.

It is a super-2 number, since 2×61162361153631² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61162361153633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3397908952971 + ... + 3397908952988.

It is an arithmetic number, because the mean of its divisors is an integer number (14724272129580).

Almost surely, 2^{61162361153631} is an apocalyptic number.

61162361153631 is a deficient number, since it is larger than the sum of its proper divisors (27183271623849).

61162361153631 is a wasteful number, since it uses less digits than its factorization.

61162361153631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6795817905965 (or 6795817905962 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

Adding to 61162361153631 its reverse (13635116326116), we get a palindrome (74797477479747).

The spelling of 61162361153631 in words is "sixty-one trillion, one hundred sixty-two billion, three hundred sixty-one million, one hundred fifty-three thousand, six hundred thirty-one".