11451525469 has 2 divisors, whose sum is σ = 11451525470. Its totient is φ = 11451525468.

The previous prime is 11451525443. The next prime is 11451525509. The reversal of 11451525469 is 96452515411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8251360569 + 3200164900 = 90837^2 + 56570^2 .

It is a cyclic number.

It is not a de Polignac number, because 11451525469 - 2⁷ = 11451525341 is a prime.

It is a super-3 number, since 3×11451525469³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11451520469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725762734 + 5725762735.

It is an arithmetic number, because the mean of its divisors is an integer number (5725762735).

Almost surely, 2^11451525469 is an apocalyptic number.

It is an amenable number.

11451525469 is a deficient number, since it is larger than the sum of its proper divisors (1).

11451525469 is an equidigital number, since it uses as much as digits as its factorization.

11451525469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 43.

The spelling of 11451525469 in words is "eleven billion, four hundred fifty-one million, five hundred twenty-five thousand, four hundred sixty-nine".