1102757980840 has 72 divisors (see below), whose sum is σ = 2636014094910. Its totient is φ = 415113439744.

The previous prime is 1102757980829. The next prime is 1102757980871. The reversal of 1102757980840 is 480897572011.

It can be written as a sum of positive squares in 3 ways, for example, as 1071850231204 + 30907749636 = 1035302^2 + 175806^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 112901637 + ... + 112911403.

Almost surely, 2^{1102757980840} is an apocalyptic number.

1102757980840 is a gapful number since it is divisible by the number (10) 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 1102757980840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318007047455).

1102757980840 is an abundant number, since it is smaller than the sum of its proper divisors (1533256114070).

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

1102757980840 is an frugal number, since it uses more digits than its factorization.

1102757980840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19579 (or 9791 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 52.

The spelling of 1102757980840 in words is "one trillion, one hundred two billion, seven hundred fifty-seven million, nine hundred eighty thousand, eight hundred forty".