61312011021316 has 12 divisors (see below), whose sum is σ = 117050202858960. Its totient is φ = 27869095918760.

The previous prime is 61312011021281. The next prime is 61312011021341.

61312011021316 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696727397926 + ... + 696727398013.

It is an arithmetic number, because the mean of its divisors is an integer number (9754183571580).

Almost surely, 2^{61312011021316} is an apocalyptic number.

It is an amenable number.

61312011021316 is a deficient number, since it is larger than the sum of its proper divisors (55738191837644).

61312011021316 is a wasteful number, since it uses less digits than its factorization.

61312011021316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393454795954 (or 1393454795952 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

It can be divided in two parts, 6131201 and 1021316, that added together give a palindrome (7152517).

The spelling of 61312011021316 in words is "sixty-one trillion, three hundred twelve billion, eleven million, twenty-one thousand, three hundred sixteen".