1455191053969 has 9 divisors (see below), whose sum is σ = 1507136598097. Its totient is φ = 1404978275344.

The previous prime is 1455191053913. The next prime is 1455191053991. The reversal of 1455191053969 is 9693501915541.

The square root of 1455191053969 is 1206313.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 31732078225 + 1423458975744 = 178135^2 + 1193088^2 .

It is not a de Polignac number, because 1455191053969 - 2²⁷ = 1455056836241 is a prime.

It is a super-2 number, since 2×1455191053969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455191051969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34962279 + ... + 35003875.

Almost surely, 2^{1455191053969} is an apocalyptic number.

1455191053969 is the 1206313-rd square number.

1455191053969 is the 603157-th centered octagonal number.

It is an amenable number.

1455191053969 is a deficient number, since it is larger than the sum of its proper divisors (51945544128).

1455191053969 is an frugal number, since it uses more digits than its factorization.

1455191053969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83252 (or 41626 counting only the distinct ones).

The product of its (nonzero) digits is 6561000, while the sum is 58.

The spelling of 1455191053969 in words is "one trillion, four hundred fifty-five billion, one hundred ninety-one million, fifty-three thousand, nine hundred sixty-nine".