61015050589 has 4 divisors (see below), whose sum is σ = 61015832956. Its totient is φ = 61014268224.

The previous prime is 61015050571. The next prime is 61015050611. The reversal of 61015050589 is 98505051016.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23788435225 + 37226615364 = 154235^2 + 192942^2 .

It is a cyclic number.

It is not a de Polignac number, because 61015050589 - 2⁹ = 61015050077 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 (61015050529) 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, 259404 + ... + 435109.

It is an arithmetic number, because the mean of its divisors is an integer number (15253958239).

Almost surely, 2^61015050589 is an apocalyptic number.

It is an amenable number.

61015050589 is a deficient number, since it is larger than the sum of its proper divisors (782367).

61015050589 is an equidigital number, since it uses as much as digits as its factorization.

61015050589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782366.

The product of its (nonzero) digits is 54000, while the sum is 40.

The spelling of 61015050589 in words is "sixty-one billion, fifteen million, fifty thousand, five hundred eighty-nine".