4351120535081 has 2 divisors, whose sum is σ = 4351120535082. Its totient is φ = 4351120535080.

The previous prime is 4351120535053. The next prime is 4351120535087. The reversal of 4351120535081 is 1805350211534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3267562369600 + 1083558165481 = 1807640^2 + 1040941^2 .

It is a cyclic number.

It is not a de Polignac number, because 4351120535081 - 2²² = 4351116340777 is a prime.

It is a super-2 number, since 2×4351120535081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4351120535087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2175560267540 + 2175560267541.

It is an arithmetic number, because the mean of its divisors is an integer number (2175560267541).

Almost surely, 2^{4351120535081} is an apocalyptic number.

It is an amenable number.

4351120535081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4351120535081 is an equidigital number, since it uses as much as digits as its factorization.

4351120535081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 4351120535081 in words is "four trillion, three hundred fifty-one billion, one hundred twenty million, five hundred thirty-five thousand, eighty-one".