1102254440520 has 64 divisors (see below), whose sum is σ = 3307003197120. Its totient is φ = 293913195264.

The previous prime is 1102254440513. The next prime is 1102254440531. The reversal of 1102254440520 is 250444522011.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1363842 + ... + 2016078.

It is an arithmetic number, because the mean of its divisors is an integer number (51671924955).

Almost surely, 2^{1102254440520} is an apocalyptic number.

1102254440520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102254440520 is an abundant number, since it is smaller than the sum of its proper divisors (2204748756600).

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

1102254440520 is a wasteful number, since it uses less digits than its factorization.

1102254440520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666334 (or 666330 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 1102254440520 its reverse (250444522011), we get a palindrome (1352698962531).

The spelling of 1102254440520 in words is "one trillion, one hundred two billion, two hundred fifty-four million, four hundred forty thousand, five hundred twenty".