1135126121044 has 12 divisors (see below), whose sum is σ = 2054969702100. Its totient is φ = 547991920448.

The previous prime is 1135126120979. The next prime is 1135126121071. The reversal of 1135126121044 is 4401216215311.

It can be written as a sum of positive squares in 2 ways, for example, as 644022300100 + 491103820944 = 802510^2 + 700788^2 .

It is a super-2 number, since 2×1135126121044² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1135126120997 and 1135126121015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4892784889 + ... + 4892785120.

It is an arithmetic number, because the mean of its divisors is an integer number (171247475175).

Almost surely, 2^{1135126121044} is an apocalyptic number.

It is an amenable number.

1135126121044 is a deficient number, since it is larger than the sum of its proper divisors (919843581056).

1135126121044 is a wasteful number, since it uses less digits than its factorization.

1135126121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9785570042 (or 9785570040 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 1135126121044 in words is "one trillion, one hundred thirty-five billion, one hundred twenty-six million, one hundred twenty-one thousand, forty-four".