1011109124849 has 2 divisors, whose sum is σ = 1011109124850. Its totient is φ = 1011109124848.

The previous prime is 1011109124761. The next prime is 1011109124911. The reversal of 1011109124849 is 9484219011101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 516292546225 + 494816578624 = 718535^2 + 703432^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011109124849 - 2³⁶ = 942389648113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011109124149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505554562424 + 505554562425.

It is an arithmetic number, because the mean of its divisors is an integer number (505554562425).

Almost surely, 2^{1011109124849} is an apocalyptic number.

It is an amenable number.

1011109124849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011109124849 is an equidigital number, since it uses as much as digits as its factorization.

1011109124849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 41.

The spelling of 1011109124849 in words is "one trillion, eleven billion, one hundred nine million, one hundred twenty-four thousand, eight hundred forty-nine".