1011255435111 has 64 divisors (see below), whose sum is σ = 1451592345600. Its totient is φ = 624292790400.

The previous prime is 1011255435103. The next prime is 1011255435163. The reversal of 1011255435111 is 1115345521101.

It is not a de Polignac number, because 1011255435111 - 2³ = 1011255435103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011255439111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 643700956 + ... + 643702526.

It is an arithmetic number, because the mean of its divisors is an integer number (22681130400).

Almost surely, 2^{1011255435111} is an apocalyptic number.

1011255435111 is a deficient number, since it is larger than the sum of its proper divisors (440336910489).

1011255435111 is a wasteful number, since it uses less digits than its factorization.

1011255435111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620.

The product of its (nonzero) digits is 3000, while the sum is 30.

The spelling of 1011255435111 in words is "one trillion, eleven billion, two hundred fifty-five million, four hundred thirty-five thousand, one hundred eleven".