61050512089 has 4 divisors (see below), whose sum is σ = 69772013824. Its totient is φ = 52329010356.

The previous prime is 61050512051. The next prime is 61050512111. The reversal of 61050512089 is 98021505016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 61050512089 - 2¹⁷ = 61050381017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61050512189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4360750857 + ... + 4360750870.

It is an arithmetic number, because the mean of its divisors is an integer number (17443003456).

Almost surely, 2^61050512089 is an apocalyptic number.

It is an amenable number.

61050512089 is a deficient number, since it is larger than the sum of its proper divisors (8721501735).

61050512089 is an equidigital number, since it uses as much as digits as its factorization.

61050512089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8721501734.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 61050512089 in words is "sixty-one billion, fifty million, five hundred twelve thousand, eighty-nine".