1126002621646 has 16 divisors (see below), whose sum is σ = 1930771314144. Its totient is φ = 482452275744.

The previous prime is 1126002621637. The next prime is 1126002621647. The reversal of 1126002621646 is 6461262006211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126002621647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9964845 + ... + 10077208.

It is an arithmetic number, because the mean of its divisors is an integer number (120673207134).

Almost surely, 2^{1126002621646} is an apocalyptic number.

1126002621646 is a deficient number, since it is larger than the sum of its proper divisors (804768692498).

1126002621646 is a wasteful number, since it uses less digits than its factorization.

1126002621646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20046075.

The product of its (nonzero) digits is 41472, while the sum is 37.

Adding to 1126002621646 its reverse (6461262006211), we get a palindrome (7587264627857).

The spelling of 1126002621646 in words is "one trillion, one hundred twenty-six billion, two million, six hundred twenty-one thousand, six hundred forty-six".