61051117751212 has 24 divisors (see below), whose sum is σ = 112467374873840. Its totient is φ = 28917718917120.

The previous prime is 61051117751201. The next prime is 61051117751227. The reversal of 61051117751212 is 21215771115016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15307989 + ... + 18879532.

Almost surely, 2^{61051117751212} is an apocalyptic number.

It is an amenable number.

61051117751212 is a deficient number, since it is larger than the sum of its proper divisors (51416257122628).

61051117751212 is a wasteful number, since it uses less digits than its factorization.

61051117751212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34211041 (or 34211039 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 40.

Adding to 61051117751212 its reverse (21215771115016), we get a palindrome (82266888866228).

The spelling of 61051117751212 in words is "sixty-one trillion, fifty-one billion, one hundred seventeen million, seven hundred fifty-one thousand, two hundred twelve".