61050550051 has 2 divisors, whose sum is σ = 61050550052. Its totient is φ = 61050550050.

The previous prime is 61050550039. The next prime is 61050550139. The reversal of 61050550051 is 15005505016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61050550051 - 2³⁵ = 26690811683 is a prime.

It is a super-2 number, since 2×61050550051² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61050550751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30525275025 + 30525275026.

It is an arithmetic number, because the mean of its divisors is an integer number (30525275026).

Almost surely, 2^61050550051 is an apocalyptic number.

61050550051 is a deficient number, since it is larger than the sum of its proper divisors (1).

61050550051 is an equidigital number, since it uses as much as digits as its factorization.

61050550051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 61050550051 in words is "sixty-one billion, fifty million, five hundred fifty thousand, fifty-one".