2145510050553 has 12 divisors (see below), whose sum is σ = 3171141470640. Its totient is φ = 1397076311736.

The previous prime is 2145510050543. The next prime is 2145510050573. The reversal of 2145510050553 is 3550500155412.

2145510050553 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 51 + 0 + 0 + 50 + 553 = 666.

It is not a de Polignac number, because 2145510050553 - 2⁵ = 2145510050521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2145510050543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2771976423 + ... + 2771977196.

It is an arithmetic number, because the mean of its divisors is an integer number (264261789220).

Almost surely, 2^{2145510050553} is an apocalyptic number.

It is an amenable number.

2145510050553 is a deficient number, since it is larger than the sum of its proper divisors (1025631420087).

2145510050553 is a wasteful number, since it uses less digits than its factorization.

2145510050553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543953668 (or 5543953665 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 2145510050553 in words is "two trillion, one hundred forty-five billion, five hundred ten million, fifty thousand, five hundred fifty-three".