2145056650503 has 32 divisors (see below), whose sum is σ = 3238525429440. Its totient is φ = 1253622666240.

The previous prime is 2145056650489. The next prime is 2145056650511. The reversal of 2145056650503 is 3050566505412.

It is not a de Polignac number, because 2145056650503 - 2¹² = 2145056646407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145056650103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15476926 + ... + 15614907.

It is an arithmetic number, because the mean of its divisors is an integer number (101203919670).

Almost surely, 2^{2145056650503} is an apocalyptic number.

2145056650503 is a deficient number, since it is larger than the sum of its proper divisors (1093468778937).

2145056650503 is a wasteful number, since it uses less digits than its factorization.

2145056650503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31091939.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 2145056650503 in words is "two trillion, one hundred forty-five billion, fifty-six million, six hundred fifty thousand, five hundred three".