240144115311 has 16 divisors (see below), whose sum is σ = 357322645600. Its totient is φ = 159396963264.

The previous prime is 240144115307. The next prime is 240144115357. The reversal of 240144115311 is 113511441042.

It is a happy number.

240144115311 is a `hidden beast` number, since 240 + 1 + 4 + 411 + 5 + 3 + 1 + 1 = 666.

It is not a de Polignac number, because 240144115311 - 2² = 240144115307 is a prime.

It is a super-2 number, since 2×240144115311² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240144115301) 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, 19413526 + ... + 19425891.

It is an arithmetic number, because the mean of its divisors is an integer number (22332665350).

Almost surely, 2^240144115311 is an apocalyptic number.

240144115311 is a deficient number, since it is larger than the sum of its proper divisors (117178530289).

240144115311 is a wasteful number, since it uses less digits than its factorization.

240144115311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38839655 (or 38839649 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 240144115311 its reverse (113511441042), we get a palindrome (353655556353).

The spelling of 240144115311 in words is "two hundred forty billion, one hundred forty-four million, one hundred fifteen thousand, three hundred eleven".