1081761767250 has 64 divisors (see below), whose sum is σ = 2714067772416. Its totient is φ = 286975104000.

The previous prime is 1081761767237. The next prime is 1081761767279. The reversal of 1081761767250 is 527671671801.

It is a junction number, because it is equal to n+sod(n) for n = 1081761767193 and 1081761767202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3591906 + ... + 3881405.

It is an arithmetic number, because the mean of its divisors is an integer number (42407308944).

Almost surely, 2^{1081761767250} is an apocalyptic number.

1081761767250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1081761767250 is an abundant number, since it is smaller than the sum of its proper divisors (1632306005166).

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

1081761767250 is a wasteful number, since it uses less digits than its factorization.

1081761767250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473524 (or 7473514 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 51.

The spelling of 1081761767250 in words is "one trillion, eighty-one billion, seven hundred sixty-one million, seven hundred sixty-seven thousand, two hundred fifty".