61022344563 has 24 divisors (see below), whose sum is σ = 88381629648. Its totient is φ = 40571762112.

The previous prime is 61022344561. The next prime is 61022344573. The reversal of 61022344563 is 36544322016.

61022344563 is a `hidden beast` number, since 61 + 0 + 2 + 2 + 34 + 4 + 563 = 666.

It is not a de Polignac number, because 61022344563 - 2¹ = 61022344561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61022344561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5260656 + ... + 5272242.

It is an arithmetic number, because the mean of its divisors is an integer number (3682567902).

Almost surely, 2^61022344563 is an apocalyptic number.

61022344563 is a deficient number, since it is larger than the sum of its proper divisors (27359285085).

61022344563 is a wasteful number, since it uses less digits than its factorization.

61022344563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13123 (or 13120 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 61022344563 its reverse (36544322016), we get a palindrome (97566666579).

The spelling of 61022344563 in words is "sixty-one billion, twenty-two million, three hundred forty-four thousand, five hundred sixty-three".