3520251026361 has 16 divisors (see below), whose sum is σ = 5215240251520. Its totient is φ = 2346809922000.

The previous prime is 3520251026339. The next prime is 3520251026387. The reversal of 3520251026361 is 1636201520253.

3520251026361 is a `hidden beast` number, since 3 + 5 + 2 + 0 + 2 + 5 + 10 + 2 + 636 + 1 = 666.

It is not a de Polignac number, because 3520251026361 - 2⁹ = 3520251025849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3520251026161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2238831 + ... + 3471723.

It is an arithmetic number, because the mean of its divisors is an integer number (325952515720).

Almost surely, 2^{3520251026361} is an apocalyptic number.

It is an amenable number.

3520251026361 is a deficient number, since it is larger than the sum of its proper divisors (1694989225159).

3520251026361 is a wasteful number, since it uses less digits than its factorization.

3520251026361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338653 (or 1338647 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 3520251026361 in words is "three trillion, five hundred twenty billion, two hundred fifty-one million, twenty-six thousand, three hundred sixty-one".