61344202505 has 16 divisors (see below), whose sum is σ = 74248574400. Its totient is φ = 48652418880.

The previous prime is 61344202481. The next prime is 61344202529. The reversal of 61344202505 is 50520244316.

It is an interprime number because it is at equal distance from previous prime (61344202481) and next prime (61344202529).

It is not a de Polignac number, because 61344202505 - 2¹⁶ = 61344136969 is a prime.

It is a super-2 number, since 2×61344202505² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621491 + ... + 713399.

It is an arithmetic number, because the mean of its divisors is an integer number (4640535900).

Almost surely, 2^61344202505 is an apocalyptic number.

It is an amenable number.

61344202505 is a deficient number, since it is larger than the sum of its proper divisors (12904371895).

61344202505 is a wasteful number, since it uses less digits than its factorization.

61344202505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93064.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 61344202505 in words is "sixty-one billion, three hundred forty-four million, two hundred two thousand, five hundred five".