51345011453211 has 12 divisors (see below), whose sum is σ = 84760018906992. Its totient is φ = 29340006544656.

The previous prime is 51345011453179. The next prime is 51345011453233. The reversal of 51345011453211 is 11235411054315.

51345011453211 is a `hidden beast` number, since 5 + 1 + 3 + 4 + 5 + 0 + 114 + 532 + 1 + 1 = 666.

It is not a de Polignac number, because 51345011453211 - 2⁵ = 51345011453179 is a prime.

It is a super-2 number, since 2×51345011453211² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51345011453111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407500090836 + ... + 407500090961.

It is an arithmetic number, because the mean of its divisors is an integer number (7063334908916).

Almost surely, 2^{51345011453211} is an apocalyptic number.

51345011453211 is a deficient number, since it is larger than the sum of its proper divisors (33415007453781).

51345011453211 is a wasteful number, since it uses less digits than its factorization.

51345011453211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815000181810 (or 815000181807 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 51345011453211 in words is "fifty-one trillion, three hundred forty-five billion, eleven million, four hundred fifty-three thousand, two hundred eleven".