61260335542533 has 4 divisors (see below), whose sum is σ = 81680447390048. Its totient is φ = 40840223695020.

The previous prime is 61260335542529. The next prime is 61260335542547. The reversal of 61260335542533 is 33524553306216.

It is a happy number.

61260335542533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 61260335542533 - 2² = 61260335542529 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 (61260335544533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10210055923753 + ... + 10210055923758.

It is an arithmetic number, because the mean of its divisors is an integer number (20420111847512).

Almost surely, 2^{61260335542533} is an apocalyptic number.

It is an amenable number.

61260335542533 is a deficient number, since it is larger than the sum of its proper divisors (20420111847515).

61260335542533 is a wasteful number, since it uses less digits than its factorization.

61260335542533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20420111847514.

The product of its (nonzero) digits is 5832000, while the sum is 48.

Adding to 61260335542533 its reverse (33524553306216), we get a palindrome (94784888848749).

The spelling of 61260335542533 in words is "sixty-one trillion, two hundred sixty billion, three hundred thirty-five million, five hundred forty-two thousand, five hundred thirty-three".