1126002621645 has 48 divisors (see below), whose sum is σ = 2129261045184. Its totient is φ = 545916960000.

The previous prime is 1126002621637. The next prime is 1126002621647. The reversal of 1126002621645 is 5461262006211.

1126002621645 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 0 + 0 + 2 + 6 + 2 + 1 + 645 = 666.

It is not a de Polignac number, because 1126002621645 - 2³ = 1126002621637 is a prime.

It is a super-3 number, since 3×1126002621645³ (a number of 37 digits) contains 333 as substring.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 18071545 + ... + 18133745.

It is an arithmetic number, because the mean of its divisors is an integer number (44359605108).

Almost surely, 2^{1126002621645} is an apocalyptic number.

1126002621645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1126002621645 is a deficient number, since it is larger than the sum of its proper divisors (1003258423539).

1126002621645 is a wasteful number, since it uses less digits than its factorization.

1126002621645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98794 (or 98791 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 1126002621645 its reverse (5461262006211), we get a palindrome (6587264627856).

The spelling of 1126002621645 in words is "one trillion, one hundred twenty-six billion, two million, six hundred twenty-one thousand, six hundred forty-five".