61344354215 has 8 divisors (see below), whose sum is σ = 74500131888. Its totient is φ = 48484212160.

The previous prime is 61344354179. The next prime is 61344354241. The reversal of 61344354215 is 51245344316.

61344354215 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 not a de Polignac number, because 61344354215 - 2¹⁶ = 61344288679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73908446 + ... + 73909275.

It is an arithmetic number, because the mean of its divisors is an integer number (9312516486).

Almost surely, 2^61344354215 is an apocalyptic number.

61344354215 is a deficient number, since it is larger than the sum of its proper divisors (13155777673).

61344354215 is a wasteful number, since it uses less digits than its factorization.

61344354215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147817809.

The product of its digits is 172800, while the sum is 38.

The spelling of 61344354215 in words is "sixty-one billion, three hundred forty-four million, three hundred fifty-four thousand, two hundred fifteen".