240161345277311 has 4 divisors (see below), whose sum is σ = 252801416081400. Its totient is φ = 227521274473224.

The previous prime is 240161345277289. The next prime is 240161345277389. The reversal of 240161345277311 is 113772543161042.

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 240161345277311 - 2⁶ = 240161345277247 is a prime.

It is a super-4 number, since 4×240161345277311⁴ (a number of 59 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240161345277391) 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, 6320035402016 + ... + 6320035402053.

It is an arithmetic number, because the mean of its divisors is an integer number (63200354020350).

Almost surely, 2^{240161345277311} is an apocalyptic number.

240161345277311 is a deficient number, since it is larger than the sum of its proper divisors (12640070804089).

240161345277311 is a wasteful number, since it uses less digits than its factorization.

240161345277311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640070804088.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 240161345277311 in words is "two hundred forty trillion, one hundred sixty-one billion, three hundred forty-five million, two hundred seventy-seven thousand, three hundred eleven".