1126213455258 has 80 divisors (see below), whose sum is σ = 2658985164000. Its totient is φ = 355296349728.

The previous prime is 1126213455251. The next prime is 1126213455421. The reversal of 1126213455258 is 8525543126211.

1126213455258 is a `hidden beast` number, since 1 + 1 + 2 + 62 + 1 + 34 + 552 + 5 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1126213455251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2956948 + ... + 3316016.

It is an arithmetic number, because the mean of its divisors is an integer number (33237314550).

Almost surely, 2^{1126213455258} is an apocalyptic number.

1126213455258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126213455258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1329492582000).

1126213455258 is an abundant number, since it is smaller than the sum of its proper divisors (1532771708742).

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

1126213455258 is a wasteful number, since it uses less digits than its factorization.

1126213455258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360121 (or 360112 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The spelling of 1126213455258 in words is "one trillion, one hundred twenty-six billion, two hundred thirteen million, four hundred fifty-five thousand, two hundred fifty-eight".