51123077613466 has 8 divisors (see below), whose sum is σ = 77388145011540. Its totient is φ = 25327029276288.

The previous prime is 51123077613407. The next prime is 51123077613527. The reversal of 51123077613466 is 66431677032115.

It can be written as a sum of positive squares in 2 ways, for example, as 49943605592241 + 1179472021225 = 7067079^2 + 1086035^2 .

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

It is a super-2 number, since 2×51123077613466² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117254764951 + ... + 117254765386.

Almost surely, 2^{51123077613466} is an apocalyptic number.

51123077613466 is a deficient number, since it is larger than the sum of its proper divisors (26265067398074).

51123077613466 is a wasteful number, since it uses less digits than its factorization.

51123077613466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234509530448.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 51123077613466 in words is "fifty-one trillion, one hundred twenty-three billion, seventy-seven million, six hundred thirteen thousand, four hundred sixty-six".