15505253050201 has 2 divisors, whose sum is σ = 15505253050202. Its totient is φ = 15505253050200.

The previous prime is 15505253050141. The next prime is 15505253050211. The reversal of 15505253050201 is 10205035250551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15403262240601 + 101990809600 = 3924699^2 + 319360^2 .

It is a cyclic number.

It is not a de Polignac number, because 15505253050201 - 2¹⁵ = 15505253017433 is a prime.

It is a super-2 number, since 2×15505253050201² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15505253050211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7752626525100 + 7752626525101.

It is an arithmetic number, because the mean of its divisors is an integer number (7752626525101).

Almost surely, 2^{15505253050201} is an apocalyptic number.

It is an amenable number.

15505253050201 is a deficient number, since it is larger than the sum of its proper divisors (1).

15505253050201 is an equidigital number, since it uses as much as digits as its factorization.

15505253050201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37500, while the sum is 34.

The spelling of 15505253050201 in words is "fifteen trillion, five hundred five billion, two hundred fifty-three million, fifty thousand, two hundred one".