72513040431235 has 16 divisors (see below), whose sum is σ = 88095762407520. Its totient is φ = 57294681200640.

The previous prime is 72513040431217. The next prime is 72513040431281. The reversal of 72513040431235 is 53213404031527.

It is not a de Polignac number, because 72513040431235 - 2³¹ = 72510892947587 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270164596 + ... + 270432865.

It is an arithmetic number, because the mean of its divisors is an integer number (5505985150470).

Almost surely, 2^{72513040431235} is an apocalyptic number.

72513040431235 is a deficient number, since it is larger than the sum of its proper divisors (15582721976285).

72513040431235 is a wasteful number, since it uses less digits than its factorization.

72513040431235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540597798.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 72513040431235 in words is "seventy-two trillion, five hundred thirteen billion, forty million, four hundred thirty-one thousand, two hundred thirty-five".