14555379121 has 2 divisors, whose sum is σ = 14555379122. Its totient is φ = 14555379120.

The previous prime is 14555379037. The next prime is 14555379143. The reversal of 14555379121 is 12197355541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12720456225 + 1834922896 = 112785^2 + 42836^2 .

It is a cyclic number.

It is not a de Polignac number, because 14555379121 - 2⁹ = 14555378609 is a prime.

It is a super-2 number, since 2×14555379121² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14555379721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7277689560 + 7277689561.

It is an arithmetic number, because the mean of its divisors is an integer number (7277689561).

Almost surely, 2^14555379121 is an apocalyptic number.

It is an amenable number.

14555379121 is a deficient number, since it is larger than the sum of its proper divisors (1).

14555379121 is an equidigital number, since it uses as much as digits as its factorization.

14555379121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 189000, while the sum is 43.

The spelling of 14555379121 in words is "fourteen billion, five hundred fifty-five million, three hundred seventy-nine thousand, one hundred twenty-one".