1138264653241 has 2 divisors, whose sum is σ = 1138264653242. Its totient is φ = 1138264653240.

The previous prime is 1138264653233. The next prime is 1138264653293. The reversal of 1138264653241 is 1423564628311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1120255013241 + 18009640000 = 1058421^2 + 134200^2 .

It is a cyclic number.

It is not a de Polignac number, because 1138264653241 - 2³ = 1138264653233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1138264653191 and 1138264653200.

It is not a weakly prime, because it can be changed into another prime (1138264653541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569132326620 + 569132326621.

It is an arithmetic number, because the mean of its divisors is an integer number (569132326621).

Almost surely, 2^{1138264653241} is an apocalyptic number.

It is an amenable number.

1138264653241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1138264653241 is an equidigital number, since it uses as much as digits as its factorization.

1138264653241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 46.

The spelling of 1138264653241 in words is "one trillion, one hundred thirty-eight billion, two hundred sixty-four million, six hundred fifty-three thousand, two hundred forty-one".