1043136811626 has 128 divisors (see below), whose sum is σ = 2709823334400. Its totient is φ = 259962359040.

The previous prime is 1043136811621. The next prime is 1043136811631. The reversal of 1043136811626 is 6261186313401.

It is an interprime number because it is at equal distance from previous prime (1043136811621) and next prime (1043136811631).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1043136811621) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 3906241 + ... + 4164731.

It is an arithmetic number, because the mean of its divisors is an integer number (21170494800).

Almost surely, 2^{1043136811626} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043136811626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354911667200).

1043136811626 is an abundant number, since it is smaller than the sum of its proper divisors (1666686522774).

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

1043136811626 is a wasteful number, since it uses less digits than its factorization.

1043136811626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258924.

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 1043136811626 in words is "one trillion, forty-three billion, one hundred thirty-six million, eight hundred eleven thousand, six hundred twenty-six".