61011318567 has 8 divisors (see below), whose sum is σ = 83079242496. Its totient is φ = 39808803512.

The previous prime is 61011318527. The next prime is 61011318569. The reversal of 61011318567 is 76581311016.

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 61011318567 - 2⁷ = 61011318439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61011318569) 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, 216352053 + ... + 216352334.

It is an arithmetic number, because the mean of its divisors is an integer number (10384905312).

Almost surely, 2^61011318567 is an apocalyptic number.

61011318567 is a deficient number, since it is larger than the sum of its proper divisors (22067923929).

61011318567 is a wasteful number, since it uses less digits than its factorization.

61011318567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432704437.

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 61011318567 in words is "sixty-one billion, eleven million, three hundred eighteen thousand, five hundred sixty-seven".