61160051533 has 24 divisors (see below), whose sum is σ = 71399369184. Its totient is φ = 52236122400.

The previous prime is 61160051527. The next prime is 61160051551. The reversal of 61160051533 is 33515006116.

It is not a de Polignac number, because 61160051533 - 2¹⁷ = 61159920461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61160051495 and 61160051504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61160051573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18492466 + ... + 18495772.

It is an arithmetic number, because the mean of its divisors is an integer number (2974973716).

Almost surely, 2^61160051533 is an apocalyptic number.

It is an amenable number.

61160051533 is a deficient number, since it is larger than the sum of its proper divisors (10239317651).

61160051533 is a wasteful number, since it uses less digits than its factorization.

61160051533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4553 (or 4546 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 61160051533 its reverse (33515006116), we get a palindrome (94675057649).

The spelling of 61160051533 in words is "sixty-one billion, one hundred sixty million, fifty-one thousand, five hundred thirty-three".