1149438047253 has 16 divisors (see below), whose sum is σ = 1574036942400. Its totient is φ = 745566425856.

The previous prime is 1149438047227. The next prime is 1149438047267. The reversal of 1149438047253 is 3527408349411.

It is a happy number.

It is not a de Polignac number, because 1149438047253 - 2²⁴ = 1149421270037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1149438047196 and 1149438047205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149438047453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8999626 + ... + 9126452.

It is an arithmetic number, because the mean of its divisors is an integer number (98377308900).

Almost surely, 2^{1149438047253} is an apocalyptic number.

It is an amenable number.

1149438047253 is a deficient number, since it is larger than the sum of its proper divisors (424598895147).

1149438047253 is a wasteful number, since it uses less digits than its factorization.

1149438047253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208516.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 1149438047253 in words is "one trillion, one hundred forty-nine billion, four hundred thirty-eight million, forty-seven thousand, two hundred fifty-three".