51210354416145 has 32 divisors (see below), whose sum is σ = 87439486169088. Its totient is φ = 25503183433728.

The previous prime is 51210354416071. The next prime is 51210354416161. The reversal of 51210354416145 is 54161445301215.

It is a happy number.

It is not a de Polignac number, because 51210354416145 - 2⁸ = 51210354415889 is a prime.

It is a super-2 number, since 2×51210354416145² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51210354416097 and 51210354416106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 790616904 + ... + 790681673.

It is an arithmetic number, because the mean of its divisors is an integer number (2732483942784).

Almost surely, 2^{51210354416145} is an apocalyptic number.

It is an amenable number.

51210354416145 is a deficient number, since it is larger than the sum of its proper divisors (36229131752943).

51210354416145 is a wasteful number, since it uses less digits than its factorization.

51210354416145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581298729.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 51210354416145 in words is "fifty-one trillion, two hundred ten billion, three hundred fifty-four million, four hundred sixteen thousand, one hundred forty-five".