61512465067 has 8 divisors (see below), whose sum is σ = 61607872976. Its totient is φ = 61417131552.

The previous prime is 61512465061. The next prime is 61512465143. The reversal of 61512465067 is 76056421516.

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

It is a cyclic number.

It is not a de Polignac number, because 61512465067 - 2²⁷ = 61378247339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61512465061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1766608 + ... + 1801090.

It is an arithmetic number, because the mean of its divisors is an integer number (7700984122).

Almost surely, 2^61512465067 is an apocalyptic number.

61512465067 is a deficient number, since it is larger than the sum of its proper divisors (95407909).

61512465067 is a wasteful number, since it uses less digits than its factorization.

61512465067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37197.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 61512465067 in words is "sixty-one billion, five hundred twelve million, four hundred sixty-five thousand, sixty-seven".