1081655650480 has 40 divisors (see below), whose sum is σ = 2525831305200. Its totient is φ = 430772898048.

The previous prime is 1081655650477. The next prime is 1081655650513. The reversal of 1081655650480 is 840565561801.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29502850 + ... + 29539489.

It is an arithmetic number, because the mean of its divisors is an integer number (63145782630).

Almost surely, 2^{1081655650480} is an apocalyptic number.

1081655650480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1081655650480 is an abundant number, since it is smaller than the sum of its proper divisors (1444175654720).

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

1081655650480 is a wasteful number, since it uses less digits than its factorization.

1081655650480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59042581 (or 59042575 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 49.

The spelling of 1081655650480 in words is "one trillion, eighty-one billion, six hundred fifty-five million, six hundred fifty thousand, four hundred eighty".