61340127415 has 12 divisors (see below), whose sum is σ = 85625810856. Its totient is φ = 42061801488.

The previous prime is 61340127377. The next prime is 61340127427. The reversal of 61340127415 is 51472104316.

It is a de Polignac number, because none of the positive numbers 2^k-61340127415 is a prime.

It is a super-2 number, since 2×61340127415² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125183689 + ... + 125184178.

It is an arithmetic number, because the mean of its divisors is an integer number (7135484238).

Almost surely, 2^61340127415 is an apocalyptic number.

61340127415 is a deficient number, since it is larger than the sum of its proper divisors (24285683441).

61340127415 is a wasteful number, since it uses less digits than its factorization.

61340127415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250367886 (or 250367879 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 61340127415 in words is "sixty-one billion, three hundred forty million, one hundred twenty-seven thousand, four hundred fifteen".