2311540542152 has 32 divisors (see below), whose sum is σ = 4369546815480. Its totient is φ = 1146359800320.

The previous prime is 2311540542151. The next prime is 2311540542191. The reversal of 2311540542152 is 2512450451132.

It can be written as a sum of positive squares in 4 ways, for example, as 1789831919716 + 521708622436 = 1337846^2 + 722294^2 .

It is a super-2 number, since 2×2311540542152² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2311540542151) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1400933 + ... + 2566260.

Almost surely, 2^{2311540542152} is an apocalyptic number.

It is an amenable number.

2311540542152 is a deficient number, since it is larger than the sum of its proper divisors (2058006273328).

2311540542152 is a wasteful number, since it uses less digits than its factorization.

2311540542152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967793 (or 3967789 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 2311540542152 its reverse (2512450451132), we get a palindrome (4823990993284).

The spelling of 2311540542152 in words is "two trillion, three hundred eleven billion, five hundred forty million, five hundred forty-two thousand, one hundred fifty-two".