61334550215 has 16 divisors (see below), whose sum is σ = 73740656640. Its totient is φ = 48974919840.

The previous prime is 61334550191. The next prime is 61334550259. The reversal of 61334550215 is 51205543316.

It is not a de Polignac number, because 61334550215 - 2¹⁰ = 61334549191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9777530 + ... + 9783800.

It is an arithmetic number, because the mean of its divisors is an integer number (4608791040).

Almost surely, 2^61334550215 is an apocalyptic number.

61334550215 is a deficient number, since it is larger than the sum of its proper divisors (12406106425).

61334550215 is a wasteful number, since it uses less digits than its factorization.

61334550215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9662.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 61334550215 in words is "sixty-one billion, three hundred thirty-four million, five hundred fifty thousand, two hundred fifteen".