1013544157123 has 2 divisors, whose sum is σ = 1013544157124. Its totient is φ = 1013544157122.

The previous prime is 1013544157013. The next prime is 1013544157237. The reversal of 1013544157123 is 3217514453101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013544157123 - 2³⁷ = 876105203651 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013544152123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506772078561 + 506772078562.

It is an arithmetic number, because the mean of its divisors is an integer number (506772078562).

Almost surely, 2^{1013544157123} is an apocalyptic number.

1013544157123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013544157123 is an equidigital number, since it uses as much as digits as its factorization.

1013544157123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 1013544157123 in words is "one trillion, thirteen billion, five hundred forty-four million, one hundred fifty-seven thousand, one hundred twenty-three".