61412300551 has 4 divisors (see below), whose sum is σ = 70185486352. Its totient is φ = 52639114752.

The previous prime is 61412300533. The next prime is 61412300581. The reversal of 61412300551 is 15500321416.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61412300551 - 2⁵ = 61412300519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61412300501) 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, 4386592890 + ... + 4386592903.

It is an arithmetic number, because the mean of its divisors is an integer number (17546371588).

Almost surely, 2^61412300551 is an apocalyptic number.

61412300551 is a deficient number, since it is larger than the sum of its proper divisors (8773185801).

61412300551 is an equidigital number, since it uses as much as digits as its factorization.

61412300551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773185800.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 61412300551 its reverse (15500321416), we get a palindrome (76912621967).

The spelling of 61412300551 in words is "sixty-one billion, four hundred twelve million, three hundred thousand, five hundred fifty-one".