61105965096436 has 192 divisors, whose sum is σ = 120690845614080. Its totient is φ = 26889743784960.

The previous prime is 61105965096391. The next prime is 61105965096437. The reversal of 61105965096436 is 63469056950116.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61105965096437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5185937001 + ... + 5185948783.

It is an arithmetic number, because the mean of its divisors is an integer number (628598154240).

Almost surely, 2^{61105965096436} is an apocalyptic number.

It is an amenable number.

61105965096436 is a deficient number, since it is larger than the sum of its proper divisors (59584880517644).

61105965096436 is a wasteful number, since it uses less digits than its factorization.

61105965096436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12254 (or 12252 counting only the distinct ones).

The product of its (nonzero) digits is 31492800, while the sum is 61.

The spelling of 61105965096436 in words is "sixty-one trillion, one hundred five billion, nine hundred sixty-five million, ninety-six thousand, four hundred thirty-six".