61010050051 has 4 divisors (see below), whose sum is σ = 61011225000. Its totient is φ = 61008875104.

The previous prime is 61010050021. The next prime is 61010050067. The reversal of 61010050051 is 15005001016.

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 61010050051 - 2⁵ = 61010050019 is a prime.

It is a super-3 number, since 3×61010050051³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61010050021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505801 + ... + 614698.

It is an arithmetic number, because the mean of its divisors is an integer number (15252806250).

Almost surely, 2^61010050051 is an apocalyptic number.

61010050051 is a deficient number, since it is larger than the sum of its proper divisors (1174949).

61010050051 is a wasteful number, since it uses less digits than its factorization.

61010050051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174948.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 61010050051 its reverse (15005001016), we get a palindrome (76015051067).

The spelling of 61010050051 in words is "sixty-one billion, ten million, fifty thousand, fifty-one".