5120343601261 has 12 divisors (see below), whose sum is σ = 5990747660892. Its totient is φ = 4363496769408.

The previous prime is 5120343601237. The next prime is 5120343601339. The reversal of 5120343601261 is 1621063430215.

It can be written as a sum of positive squares in 2 ways, for example, as 4041848889225 + 1078494712036 = 2010435^2 + 1038506^2 .

It is not a de Polignac number, because 5120343601261 - 2²³ = 5120335212653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120343602261) 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, 302005420 + ... + 302022373.

It is an arithmetic number, because the mean of its divisors is an integer number (499228971741).

Almost surely, 2^{5120343601261} is an apocalyptic number.

It is an amenable number.

5120343601261 is a deficient number, since it is larger than the sum of its proper divisors (870404059631).

5120343601261 is a wasteful number, since it uses less digits than its factorization.

5120343601261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604027980 (or 604027973 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 5120343601261 in words is "five trillion, one hundred twenty billion, three hundred forty-three million, six hundred one thousand, two hundred sixty-one".