1101252145152 has 208 divisors, whose sum is σ = 2992430218208. Its totient is φ = 360122941440.

The previous prime is 1101252145139. The next prime is 1101252145163. The reversal of 1101252145152 is 2515412521011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173122452 + ... + 173128812.

Almost surely, 2^{1101252145152} is an apocalyptic number.

1101252145152 is a gapful number since it is divisible by the number (12) 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 1101252145152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496215109104).

1101252145152 is an abundant number, since it is smaller than the sum of its proper divisors (1891178073056).

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

1101252145152 is an equidigital number, since it uses as much as digits as its factorization.

1101252145152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654 (or 6632 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 30.

Adding to 1101252145152 its reverse (2515412521011), we get a palindrome (3616664666163).

The spelling of 1101252145152 in words is "one trillion, one hundred one billion, two hundred fifty-two million, one hundred forty-five thousand, one hundred fifty-two".