1011038136523 has 2 divisors, whose sum is σ = 1011038136524. Its totient is φ = 1011038136522.

The previous prime is 1011038136509. The next prime is 1011038136539. The reversal of 1011038136523 is 3256318301101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011038136523 - 2⁵ = 1011038136491 is a prime.

It is a super-2 number, since 2×1011038136523² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011038136593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505519068261 + 505519068262.

It is an arithmetic number, because the mean of its divisors is an integer number (505519068262).

Almost surely, 2^{1011038136523} is an apocalyptic number.

1011038136523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011038136523 is an equidigital number, since it uses as much as digits as its factorization.

1011038136523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 1011038136523 in words is "one trillion, eleven billion, thirty-eight million, one hundred thirty-six thousand, five hundred twenty-three".