61206202051 has 2 divisors, whose sum is σ = 61206202052. Its totient is φ = 61206202050.

The previous prime is 61206202027. The next prime is 61206202061. The reversal of 61206202051 is 15020260216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61206202051 - 2⁵ = 61206202019 is a prime.

It is not a weakly prime, because it can be changed into another prime (61206202061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30603101025 + 30603101026.

It is an arithmetic number, because the mean of its divisors is an integer number (30603101026).

Almost surely, 2^61206202051 is an apocalyptic number.

61206202051 is a deficient number, since it is larger than the sum of its proper divisors (1).

61206202051 is an equidigital number, since it uses as much as digits as its factorization.

61206202051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 61206202051 its reverse (15020260216), we get a palindrome (76226462267).

The spelling of 61206202051 in words is "sixty-one billion, two hundred six million, two hundred two thousand, fifty-one".