3520124011261 has 16 divisors (see below), whose sum is σ = 4136189154048. Its totient is φ = 2953479614400.

The previous prime is 3520124011259. The next prime is 3520124011279. The reversal of 3520124011261 is 1621104210253.

It is a cyclic number.

It is not a de Polignac number, because 3520124011261 - 2¹ = 3520124011259 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 (3520124011211) 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, 1058670 + ... + 2856751.

It is an arithmetic number, because the mean of its divisors is an integer number (258511822128).

Almost surely, 2^{3520124011261} is an apocalyptic number.

It is an amenable number.

3520124011261 is a deficient number, since it is larger than the sum of its proper divisors (616065142787).

3520124011261 is a wasteful number, since it uses less digits than its factorization.

3520124011261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3921732.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 3520124011261 in words is "three trillion, five hundred twenty billion, one hundred twenty-four million, eleven thousand, two hundred sixty-one".