61415071410613 has 4 divisors (see below), whose sum is σ = 61415497194220. Its totient is φ = 61414645627008.

The previous prime is 61415071410547. The next prime is 61415071410647. The reversal of 61415071410613 is 31601417051416.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38209433978884 + 23205637431729 = 6181378^2 + 4817223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61415071410613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61415071419613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212675370 + ... + 212963947.

It is an arithmetic number, because the mean of its divisors is an integer number (15353874298555).

Almost surely, 2^{61415071410613} is an apocalyptic number.

It is an amenable number.

61415071410613 is a deficient number, since it is larger than the sum of its proper divisors (425783607).

61415071410613 is a wasteful number, since it uses less digits than its factorization.

61415071410613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425783606.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 61415071410613 in words is "sixty-one trillion, four hundred fifteen billion, seventy-one million, four hundred ten thousand, six hundred thirteen".