102155313004 has 24 divisors (see below), whose sum is σ = 187009750368. Its totient is φ = 48735033600.

The previous prime is 102155312993. The next prime is 102155313011. The reversal of 102155313004 is 400313551201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102155313004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347627 + ... + 1421410.

It is an arithmetic number, because the mean of its divisors is an integer number (7792072932).

Almost surely, 2^102155313004 is an apocalyptic number.

It is an amenable number.

102155313004 is a deficient number, since it is larger than the sum of its proper divisors (84854437364).

102155313004 is a wasteful number, since it uses less digits than its factorization.

102155313004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769465 (or 2769463 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 102155313004 its reverse (400313551201), we get a palindrome (502468864205).

The spelling of 102155313004 in words is "one hundred two billion, one hundred fifty-five million, three hundred thirteen thousand, four".