61050360261 has 16 divisors (see below), whose sum is σ = 88806565440. Its totient is φ = 36997701120.

The previous prime is 61050360233. The next prime is 61050360263. The reversal of 61050360261 is 16206305016.

61050360261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-61050360261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61050360263) 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, 506335 + ... + 615203.

It is an arithmetic number, because the mean of its divisors is an integer number (5550410340).

Almost surely, 2^61050360261 is an apocalyptic number.

It is an amenable number.

61050360261 is a deficient number, since it is larger than the sum of its proper divisors (27756205179).

61050360261 is a wasteful number, since it uses less digits than its factorization.

61050360261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125876.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 61050360261 its reverse (16206305016), we get a palindrome (77256665277).

The spelling of 61050360261 in words is "sixty-one billion, fifty million, three hundred sixty thousand, two hundred sixty-one".