1126548621000 has 512 divisors, whose sum is σ = 4289163840000. Its totient is φ = 271259136000.

The previous prime is 1126548620993. The next prime is 1126548621019. The reversal of 1126548621000 is 1268456211.

It is a happy number.

1126548621000 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 548 + 6 + 2 + 100 + 0 = 666.

It is a super-2 number, since 2×1126548621000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 44240272 + ... + 44265728.

It is an arithmetic number, because the mean of its divisors is an integer number (8377273125).

Almost surely, 2^{1126548621000} is an apocalyptic number.

1126548621000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126548621000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2144581920000).

1126548621000 is an abundant number, since it is smaller than the sum of its proper divisors (3162615219000).

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

1126548621000 is a wasteful number, since it uses less digits than its factorization.

1126548621000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25647 (or 25627 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 1126548621000 in words is "one trillion, one hundred twenty-six billion, five hundred forty-eight million, six hundred twenty-one thousand".