61320643036411 has 8 divisors (see below), whose sum is σ = 66987262427904. Its totient is φ = 55669359558120.

The previous prime is 61320643036333. The next prime is 61320643036441. The reversal of 61320643036411 is 11463034602316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61320643036411 - 2²³ = 61320634647803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61320643036441) 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, 3833969935 + ... + 3833985928.

It is an arithmetic number, because the mean of its divisors is an integer number (8373407803488).

Almost surely, 2^{61320643036411} is an apocalyptic number.

61320643036411 is a deficient number, since it is larger than the sum of its proper divisors (5666619391493).

61320643036411 is a wasteful number, since it uses less digits than its factorization.

61320643036411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7667956601.

The product of its (nonzero) digits is 186624, while the sum is 40.

Adding to 61320643036411 its reverse (11463034602316), we get a palindrome (72783677638727).

The spelling of 61320643036411 in words is "sixty-one trillion, three hundred twenty billion, six hundred forty-three million, thirty-six thousand, four hundred eleven".