61140030143303 has 4 divisors (see below), whose sum is σ = 61140153225888. Its totient is φ = 61139907060720.

The previous prime is 61140030143293. The next prime is 61140030143321. The reversal of 61140030143303 is 30334103004116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61140030143303 - 2⁴ = 61140030143287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61140030143393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60793151 + ... + 61790672.

It is an arithmetic number, because the mean of its divisors is an integer number (15285038306472).

Almost surely, 2^{61140030143303} is an apocalyptic number.

61140030143303 is a deficient number, since it is larger than the sum of its proper divisors (123082585).

61140030143303 is a wasteful number, since it uses less digits than its factorization.

61140030143303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123082584.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 61140030143303 its reverse (30334103004116), we get a palindrome (91474133147419).

The spelling of 61140030143303 in words is "sixty-one trillion, one hundred forty billion, thirty million, one hundred forty-three thousand, three hundred three".