1101255000000 has 224 divisors, whose sum is σ = 3642211769664. Its totient is φ = 293664000000.

The previous prime is 1101254999989. The next prime is 1101255000007. The reversal of 1101255000000 is 5521011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101255000007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14963292 + ... + 15036708.

Almost surely, 2^{1101255000000} is an apocalyptic number.

1101255000000 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 1101255000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1821105884832).

1101255000000 is an abundant number, since it is smaller than the sum of its proper divisors (2540956769664).

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

1101255000000 is an frugal number, since it uses more digits than its factorization.

1101255000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73467 (or 73427 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The spelling of 1101255000000 in words is "one trillion, one hundred one billion, two hundred fifty-five million", and thus it is an aban number.