61000050506050 has 24 divisors (see below), whose sum is σ = 117372510976500. Its totient is φ = 23558640194880.

The previous prime is 61000050506033. The next prime is 61000050506099. The reversal of 61000050506050 is 5060505000016.

It can be written as a sum of positive squares in 6 ways, for example, as 5119028425729 + 55881022080321 = 2262527^2 + 7475361^2 .

It is a super-2 number, since 2×61000050506050² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21034498725 + ... + 21034501624.

Almost surely, 2^{61000050506050} is an apocalyptic number.

61000050506050 is a deficient number, since it is larger than the sum of its proper divisors (56372460470450).

61000050506050 is a wasteful number, since it uses less digits than its factorization.

61000050506050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42069000390 (or 42069000385 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 61000050506050 its reverse (5060505000016), we get a palindrome (66060555506066).

The spelling of 61000050506050 in words is "sixty-one trillion, fifty million, five hundred six thousand, fifty".