3520243142551 has 2 divisors, whose sum is σ = 3520243142552. Its totient is φ = 3520243142550.

The previous prime is 3520243142543. The next prime is 3520243142569. The reversal of 3520243142551 is 1552413420253.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3520243142551 - 2³ = 3520243142543 is a prime.

It is a super-2 number, since 2×3520243142551² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3520243142551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3520243182551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760121571275 + 1760121571276.

It is an arithmetic number, because the mean of its divisors is an integer number (1760121571276).

Almost surely, 2^{3520243142551} is an apocalyptic number.

3520243142551 is a deficient number, since it is larger than the sum of its proper divisors (1).

3520243142551 is an equidigital number, since it uses as much as digits as its factorization.

3520243142551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 3520243142551 in words is "three trillion, five hundred twenty billion, two hundred forty-three million, one hundred forty-two thousand, five hundred fifty-one".