5515011151669 has 2 divisors, whose sum is σ = 5515011151670. Its totient is φ = 5515011151668.

The previous prime is 5515011151607. The next prime is 5515011151681. The reversal of 5515011151669 is 9661511105155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5453915671044 + 61095480625 = 2335362^2 + 247175^2 .

It is a cyclic number.

It is not a de Polignac number, because 5515011151669 - 2¹⁹ = 5515010627381 is a prime.

It is a super-2 number, since 2×5515011151669² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5515011851669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757505575834 + 2757505575835.

It is an arithmetic number, because the mean of its divisors is an integer number (2757505575835).

Almost surely, 2^{5515011151669} is an apocalyptic number.

It is an amenable number.

5515011151669 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515011151669 is an equidigital number, since it uses as much as digits as its factorization.

5515011151669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 202500, while the sum is 46.

The spelling of 5515011151669 in words is "five trillion, five hundred fifteen billion, eleven million, one hundred fifty-one thousand, six hundred sixty-nine".