5521521600137 has 2 divisors, whose sum is σ = 5521521600138. Its totient is φ = 5521521600136.

The previous prime is 5521521599987. The next prime is 5521521600143. The reversal of 5521521600137 is 7310061251255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4060430532601 + 1461091067536 = 2015051^2 + 1208756^2 .

It is a cyclic number.

It is not a de Polignac number, because 5521521600137 - 2²⁴ = 5521504822921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5521521600137.

It is not a weakly prime, because it can be changed into another prime (5521521600197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760760800068 + 2760760800069.

It is an arithmetic number, because the mean of its divisors is an integer number (2760760800069).

Almost surely, 2^{5521521600137} is an apocalyptic number.

It is an amenable number.

5521521600137 is a deficient number, since it is larger than the sum of its proper divisors (1).

5521521600137 is an equidigital number, since it uses as much as digits as its factorization.

5521521600137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 5521521600137 in words is "five trillion, five hundred twenty-one billion, five hundred twenty-one million, six hundred thousand, one hundred thirty-seven".