140505485081503 has 4 divisors (see below), whose sum is σ = 141005504601648. Its totient is φ = 140005465561360.

The previous prime is 140505485081497. The next prime is 140505485081527. The reversal of 140505485081503 is 305180584505041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140505485081503 - 2¹³ = 140505485073311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140505485031503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250009759651 + ... + 250009760212.

It is an arithmetic number, because the mean of its divisors is an integer number (35251376150412).

Almost surely, 2^{140505485081503} is an apocalyptic number.

140505485081503 is a deficient number, since it is larger than the sum of its proper divisors (500019520145).

140505485081503 is an equidigital number, since it uses as much as digits as its factorization.

140505485081503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500019520144.

The product of its (nonzero) digits is 1920000, while the sum is 49.

The spelling of 140505485081503 in words is "one hundred forty trillion, five hundred five billion, four hundred eighty-five million, eighty-one thousand, five hundred three".