1102851002778 has 32 divisors (see below), whose sum is σ = 2572247241600. Its totient is φ = 315100285920.

The previous prime is 1102851002741. The next prime is 1102851002807. The reversal of 1102851002778 is 8772001582011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 267940363 + ... + 267944478.

It is an arithmetic number, because the mean of its divisors is an integer number (80382726300).

Almost surely, 2^{1102851002778} is an apocalyptic number.

1102851002778 is an abundant number, since it is smaller than the sum of its proper divisors (1469396238822).

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

1102851002778 is an equidigital number, since it uses as much as digits as its factorization.

1102851002778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535884867 (or 535884853 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 42.

Adding to 1102851002778 its reverse (8772001582011), we get a palindrome (9874852584789).

The spelling of 1102851002778 in words is "one trillion, one hundred two billion, eight hundred fifty-one million, two thousand, seven hundred seventy-eight".