61545262023343 has 16 divisors (see below), whose sum is σ = 71733939494976. Its totient is φ = 51707635948800.

The previous prime is 61545262023283. The next prime is 61545262023353. The reversal of 61545262023343 is 34332026254516.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61545262023343 is a prime.

It is a super-2 number, since 2×61545262023343² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61545262023293 and 61545262023302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61545262023353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79912108 + ... + 80678593.

It is an arithmetic number, because the mean of its divisors is an integer number (4483371218436).

Almost surely, 2^{61545262023343} is an apocalyptic number.

61545262023343 is a deficient number, since it is larger than the sum of its proper divisors (10188677471633).

61545262023343 is a wasteful number, since it uses less digits than its factorization.

61545262023343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160591794.

The product of its (nonzero) digits is 3110400, while the sum is 46.

Adding to 61545262023343 its reverse (34332026254516), we get a palindrome (95877288277859).

The spelling of 61545262023343 in words is "sixty-one trillion, five hundred forty-five billion, two hundred sixty-two million, twenty-three thousand, three hundred forty-three".