20150522119969 has 2 divisors, whose sum is σ = 20150522119970. Its totient is φ = 20150522119968.

The previous prime is 20150522119967. The next prime is 20150522120033. The reversal of 20150522119969 is 96991122505102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10661269825600 + 9489252294369 = 3265160^2 + 3080463^2 .

It is a cyclic number.

It is not a de Polignac number, because 20150522119969 - 2¹ = 20150522119967 is a prime.

It is a super-2 number, since 2×20150522119969² (a number of 27 digits) contains 22 as substring.

Together with 20150522119967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20150522119963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10075261059984 + 10075261059985.

It is an arithmetic number, because the mean of its divisors is an integer number (10075261059985).

Almost surely, 2^{20150522119969} is an apocalyptic number.

It is an amenable number.

20150522119969 is a deficient number, since it is larger than the sum of its proper divisors (1).

20150522119969 is an equidigital number, since it uses as much as digits as its factorization.

20150522119969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 52.

The spelling of 20150522119969 in words is "twenty trillion, one hundred fifty billion, five hundred twenty-two million, one hundred nineteen thousand, nine hundred sixty-nine".