1102440142504 has 8 divisors (see below), whose sum is σ = 2067075267210. Its totient is φ = 551220071248.

The previous prime is 1102440142501. The next prime is 1102440142511. The reversal of 1102440142504 is 4052410442011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 883882022500 + 218558120004 = 940150^2 + 467502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1102440142501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68902508899 + ... + 68902508914.

Almost surely, 2^{1102440142504} is an apocalyptic number.

It is an amenable number.

1102440142504 is a deficient number, since it is larger than the sum of its proper divisors (964635124706).

1102440142504 is a wasteful number, since it uses less digits than its factorization.

1102440142504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137805017819 (or 137805017815 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 1102440142504 its reverse (4052410442011), we get a palindrome (5154850584515).

The spelling of 1102440142504 in words is "one trillion, one hundred two billion, four hundred forty million, one hundred forty-two thousand, five hundred four".