2145125151103 has 16 divisors (see below), whose sum is σ = 2394639878400. Its totient is φ = 1904697406080.

The previous prime is 2145125151077. The next prime is 2145125151107. The reversal of 2145125151103 is 3011515215412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145125151103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145125151107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18582918 + ... + 18697996.

It is an arithmetic number, because the mean of its divisors is an integer number (149664992400).

Almost surely, 2^{2145125151103} is an apocalyptic number.

2145125151103 is a deficient number, since it is larger than the sum of its proper divisors (249514727297).

2145125151103 is a wasteful number, since it uses less digits than its factorization.

2145125151103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154542.

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 2145125151103 in words is "two trillion, one hundred forty-five billion, one hundred twenty-five million, one hundred fifty-one thousand, one hundred three".