47451517503 has 64 divisors (see below), whose sum is σ = 71871528960. Its totient is φ = 27644198400.

The previous prime is 47451517481. The next prime is 47451517513. The reversal of 47451517503 is 30571515474.

47451517503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47451517503 - 2⁸ = 47451517247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47451517513) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26975538 + ... + 26977296.

It is an arithmetic number, because the mean of its divisors is an integer number (1122992640).

Almost surely, 2^47451517503 is an apocalyptic number.

47451517503 is a deficient number, since it is larger than the sum of its proper divisors (24420011457).

47451517503 is a wasteful number, since it uses less digits than its factorization.

47451517503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280.

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 47451517503 in words is "forty-seven billion, four hundred fifty-one million, five hundred seventeen thousand, five hundred three".