42540323511 has 16 divisors (see below), whose sum is σ = 64866991104. Its totient is φ = 24292390944.

The previous prime is 42540323491. The next prime is 42540323513. The reversal of 42540323511 is 11532304524.

It is not a de Polignac number, because 42540323511 - 2⁹ = 42540322999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42540323513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649920 + ... + 712373.

It is an arithmetic number, because the mean of its divisors is an integer number (4054186944).

Almost surely, 2^42540323511 is an apocalyptic number.

42540323511 is a deficient number, since it is larger than the sum of its proper divisors (22326667593).

42540323511 is a wasteful number, since it uses less digits than its factorization.

42540323511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363790.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 42540323511 in words is "forty-two billion, five hundred forty million, three hundred twenty-three thousand, five hundred eleven".