1081339724178 has 480 divisors, whose sum is σ = 3056491874304. Its totient is φ = 279589859136.

The previous prime is 1081339724167. The next prime is 1081339724183. The reversal of 1081339724178 is 8714279331801.

1081339724178 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 3 + 397 + 241 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 827344201 + ... + 827345507.

Almost surely, 2^{1081339724178} is an apocalyptic number.

1081339724178 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 1081339724178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528245937152).

1081339724178 is an abundant number, since it is smaller than the sum of its proper divisors (1975152150126).

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

1081339724178 is a wasteful number, since it uses less digits than its factorization.

1081339724178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456 (or 1428 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 1081339724178 in words is "one trillion, eighty-one billion, three hundred thirty-nine million, seven hundred twenty-four thousand, one hundred seventy-eight".