1138264653253 has 32 divisors (see below), whose sum is σ = 1483527951360. Its totient is φ = 847526215680.

The previous prime is 1138264653241. The next prime is 1138264653293. The reversal of 1138264653253 is 3523564628311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1138264653253 - 2¹³ = 1138264645061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1138264653197 and 1138264653206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138264653233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14318068 + ... + 14397346.

It is an arithmetic number, because the mean of its divisors is an integer number (46360248480).

Almost surely, 2^{1138264653253} is an apocalyptic number.

1138264653253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1138264653253 is a deficient number, since it is larger than the sum of its proper divisors (345263298107).

1138264653253 is a wasteful number, since it uses less digits than its factorization.

1138264653253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88597.

The product of its digits is 3110400, while the sum is 49.

The spelling of 1138264653253 in words is "one trillion, one hundred thirty-eight billion, two hundred sixty-four million, six hundred fifty-three thousand, two hundred fifty-three".