61312245465 has 8 divisors (see below), whose sum is σ = 98099592768. Its totient is φ = 32699864240.

The previous prime is 61312245437. The next prime is 61312245479. The reversal of 61312245465 is 56454221316.

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

It is not a de Polignac number, because 61312245465 - 2⁵ = 61312245433 is a prime.

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, 2043741501 + ... + 2043741530.

It is an arithmetic number, because the mean of its divisors is an integer number (12262449096).

Almost surely, 2^61312245465 is an apocalyptic number.

It is an amenable number.

61312245465 is a deficient number, since it is larger than the sum of its proper divisors (36787347303).

61312245465 is a wasteful number, since it uses less digits than its factorization.

61312245465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087483039.

The product of its digits is 172800, while the sum is 39.

The spelling of 61312245465 in words is "sixty-one billion, three hundred twelve million, two hundred forty-five thousand, four hundred sixty-five".