1011131133923 has 2 divisors, whose sum is σ = 1011131133924. Its totient is φ = 1011131133922.

The previous prime is 1011131133917. The next prime is 1011131133941. The reversal of 1011131133923 is 3293311311101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011131133923 - 2⁸ = 1011131133667 is a prime.

It is a super-2 number, since 2×1011131133923² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1011131123923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505565566961 + 505565566962.

It is an arithmetic number, because the mean of its divisors is an integer number (505565566962).

Almost surely, 2^{1011131133923} is an apocalyptic number.

1011131133923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011131133923 is an equidigital number, since it uses as much as digits as its factorization.

1011131133923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 29.

The spelling of 1011131133923 in words is "one trillion, eleven billion, one hundred thirty-one million, one hundred thirty-three thousand, nine hundred twenty-three".