40612640052511 has 4 divisors (see below), whose sum is σ = 40729008649000. Its totient is φ = 40496271456024.

The previous prime is 40612640052461. The next prime is 40612640052539. The reversal of 40612640052511 is 11525004621604.

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 40612640052511 - 2²¹ = 40612637955359 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 (40612640052911) 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, 58184297721 + ... + 58184298418.

It is an arithmetic number, because the mean of its divisors is an integer number (10182252162250).

Almost surely, 2^{40612640052511} is an apocalyptic number.

40612640052511 is a deficient number, since it is larger than the sum of its proper divisors (116368596489).

40612640052511 is a wasteful number, since it uses less digits than its factorization.

40612640052511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116368596488.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 40612640052511 in words is "forty trillion, six hundred twelve billion, six hundred forty million, fifty-two thousand, five hundred eleven".