2145103240552 has 16 divisors (see below), whose sum is σ = 4023764971200. Its totient is φ = 1072099248240.

The previous prime is 2145103240523. The next prime is 2145103240573. The reversal of 2145103240552 is 2550423015412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56526352 + ... + 56564287.

It is an arithmetic number, because the mean of its divisors is an integer number (251485310700).

Almost surely, 2^{2145103240552} is an apocalyptic number.

It is an amenable number.

2145103240552 is a deficient number, since it is larger than the sum of its proper divisors (1878661730648).

2145103240552 is a wasteful number, since it uses less digits than its factorization.

2145103240552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113093016 (or 113093012 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 2145103240552 its reverse (2550423015412), we get a palindrome (4695526255964).

The spelling of 2145103240552 in words is "two trillion, one hundred forty-five billion, one hundred three million, two hundred forty thousand, five hundred fifty-two".