1355556342126 has 96 divisors (see below), whose sum is σ = 3139641335808. Its totient is φ = 382215159360.

The previous prime is 1355556342113. The next prime is 1355556342139. The reversal of 1355556342126 is 6212436555531.

It is an interprime number because it is at equal distance from previous prime (1355556342113) and next prime (1355556342139).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 341706195 + ... + 341710161.

It is an arithmetic number, because the mean of its divisors is an integer number (32704597248).

Almost surely, 2^{1355556342126} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1355556342126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1569820667904).

1355556342126 is an abundant number, since it is smaller than the sum of its proper divisors (1784084993682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1355556342126 is a wasteful number, since it uses less digits than its factorization.

1355556342126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326 (or 5243 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 48.

The spelling of 1355556342126 in words is "one trillion, three hundred fifty-five billion, five hundred fifty-six million, three hundred forty-two thousand, one hundred twenty-six".