61541063892319 has 8 divisors (see below), whose sum is σ = 67137603996240. Its totient is φ = 55944840110400.

The previous prime is 61541063892247. The next prime is 61541063892331. The reversal of 61541063892319 is 91329836014516.

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 61541063892319 - 2²¹ = 61541061795167 is a prime.

It is a super-2 number, since 2×61541063892319² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61541063893319) 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, 78673614 + ... + 79451995.

It is an arithmetic number, because the mean of its divisors is an integer number (8392200499530).

Almost surely, 2^{61541063892319} is an apocalyptic number.

61541063892319 is a deficient number, since it is larger than the sum of its proper divisors (5596540103921).

61541063892319 is a wasteful number, since it uses less digits than its factorization.

61541063892319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158161001.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 61541063892319 in words is "sixty-one trillion, five hundred forty-one billion, sixty-three million, eight hundred ninety-two thousand, three hundred nineteen".