1081313757650 has 48 divisors (see below), whose sum is σ = 2298680940480. Its totient is φ = 370717300800.

The previous prime is 1081313757617. The next prime is 1081313757673. The reversal of 1081313757650 is 567573131801.

It is a junction number, because it is equal to n+sod(n) for n = 1081313757595 and 1081313757604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8003660 + ... + 8137640.

It is an arithmetic number, because the mean of its divisors is an integer number (47889186260).

Almost surely, 2^{1081313757650} is an apocalyptic number.

1081313757650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1081313757650 is an abundant number, since it is smaller than the sum of its proper divisors (1217367182830).

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

1081313757650 is a wasteful number, since it uses less digits than its factorization.

1081313757650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157059 (or 157054 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 1081313757650 in words is "one trillion, eighty-one billion, three hundred thirteen million, seven hundred fifty-seven thousand, six hundred fifty".