5150060661521 has 2 divisors, whose sum is σ = 5150060661522. Its totient is φ = 5150060661520.

The previous prime is 5150060661467. The next prime is 5150060661563. The reversal of 5150060661521 is 1251660600515.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5139016963600 + 11043697921 = 2266940^2 + 105089^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5150060661521 is a prime.

It is a super-2 number, since 2×5150060661521² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5150060661121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575030330760 + 2575030330761.

It is an arithmetic number, because the mean of its divisors is an integer number (2575030330761).

Almost surely, 2^{5150060661521} is an apocalyptic number.

It is an amenable number.

5150060661521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5150060661521 is an equidigital number, since it uses as much as digits as its factorization.

5150060661521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 5150060661521 in words is "five trillion, one hundred fifty billion, sixty million, six hundred sixty-one thousand, five hundred twenty-one".