1081254496896 has 1024 divisors, whose sum is σ = 3912883200000. Its totient is φ = 293412188160.

The previous prime is 1081254496891. The next prime is 1081254496913. The reversal of 1081254496896 is 6986944521801.

1081254496896 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 2 + 54 + 496 + 8 + 96 = 666.

It is a super-2 number, since 2×1081254496896² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (1081254496891) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2440754851 + ... + 2440755293.

It is an arithmetic number, because the mean of its divisors is an integer number (3821175000).

Almost surely, 2^{1081254496896} is an apocalyptic number.

1081254496896 is a gapful number since it is divisible by the number (16) 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 1081254496896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1956441600000).

1081254496896 is an abundant number, since it is smaller than the sum of its proper divisors (2831628703104).

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

1081254496896 is an equidigital number, since it uses as much as digits as its factorization.

1081254496896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 1081254496896 in words is "one trillion, eighty-one billion, two hundred fifty-four million, four hundred ninety-six thousand, eight hundred ninety-six".