140252111615 has 128 divisors (see below), whose sum is σ = 230916096000. Its totient is φ = 79131686400.

The previous prime is 140252111609. The next prime is 140252111663. The reversal of 140252111615 is 516111252041.

It is not a de Polignac number, because 140252111615 - 2⁴ = 140252111599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17910521 + ... + 17918349.

It is an arithmetic number, because the mean of its divisors is an integer number (1804032000).

Almost surely, 2^140252111615 is an apocalyptic number.

140252111615 is a deficient number, since it is larger than the sum of its proper divisors (90663984385).

140252111615 is a wasteful number, since it uses less digits than its factorization.

140252111615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7981.

The product of its (nonzero) digits is 2400, while the sum is 29.

Adding to 140252111615 its reverse (516111252041), we get a palindrome (656363363656).

The spelling of 140252111615 in words is "one hundred forty billion, two hundred fifty-two million, one hundred eleven thousand, six hundred fifteen".