61000426053850 has 24 divisors (see below), whose sum is σ = 113461001781120. Its totient is φ = 24400125406320.

The previous prime is 61000426053799. The next prime is 61000426053851. The reversal of 61000426053850 is 5835062400016.

It is not an unprimeable number, because it can be changed into a prime (61000426053851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44819671 + ... + 46160629.

It is an arithmetic number, because the mean of its divisors is an integer number (4727541740880).

Almost surely, 2^{61000426053850} is an apocalyptic number.

61000426053850 is a deficient number, since it is larger than the sum of its proper divisors (52460575727270).

61000426053850 is a wasteful number, since it uses less digits than its factorization.

61000426053850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250774 (or 2250769 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 61000426053850 its reverse (5835062400016), we get a palindrome (66835488453866).

The spelling of 61000426053850 in words is "sixty-one trillion, four hundred twenty-six million, fifty-three thousand, eight hundred fifty".