61562220571 has 8 divisors (see below), whose sum is σ = 62595321920. Its totient is φ = 60532480008.

The previous prime is 61562220541. The next prime is 61562220613. The reversal of 61562220571 is 17502226516.

61562220571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61562220571 - 2¹⁷ = 61562089499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61562220571.

It is not an unprimeable number, because it can be changed into a prime (61562220541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803241 + ... + 876538.

It is an arithmetic number, because the mean of its divisors is an integer number (7824415240).

Almost surely, 2^61562220571 is an apocalyptic number.

61562220571 is a deficient number, since it is larger than the sum of its proper divisors (1033101349).

61562220571 is a wasteful number, since it uses less digits than its factorization.

61562220571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680393.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 61562220571 in words is "sixty-one billion, five hundred sixty-two million, two hundred twenty thousand, five hundred seventy-one".