7137040506521 has 16 divisors (see below), whose sum is σ = 7183189248000. Its totient is φ = 7091032673088.

The previous prime is 7137040506469. The next prime is 7137040506527. The reversal of 7137040506521 is 1256050407317.

It is a cyclic number.

It is not a de Polignac number, because 7137040506521 - 2²⁶ = 7136973397657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7137040506527) 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, 354308576 + ... + 354328718.

It is an arithmetic number, because the mean of its divisors is an integer number (448949328000).

Almost surely, 2^{7137040506521} is an apocalyptic number.

It is an amenable number.

7137040506521 is a deficient number, since it is larger than the sum of its proper divisors (46148741479).

7137040506521 is a wasteful number, since it uses less digits than its factorization.

7137040506521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23528.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 7137040506521 in words is "seven trillion, one hundred thirty-seven billion, forty million, five hundred six thousand, five hundred twenty-one".