2315021144541 has 32 divisors (see below), whose sum is σ = 3649509853440. Its totient is φ = 1277177642496.

The previous prime is 2315021144507. The next prime is 2315021144633. The reversal of 2315021144541 is 1454411205132.

It is not a de Polignac number, because 2315021144541 - 2³¹ = 2312873660893 is a prime.

It is a super-2 number, since 2×2315021144541² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2315021164541) 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 31 ways as a sum of consecutive naturals, for example, 11137335 + ... + 11343291.

It is an arithmetic number, because the mean of its divisors is an integer number (114047182920).

Almost surely, 2^{2315021144541} is an apocalyptic number.

2315021144541 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2315021144541 is a deficient number, since it is larger than the sum of its proper divisors (1334488708899).

2315021144541 is a wasteful number, since it uses less digits than its factorization.

2315021144541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224453.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 2315021144541 its reverse (1454411205132), we get a palindrome (3769432349673).

The spelling of 2315021144541 in words is "two trillion, three hundred fifteen billion, twenty-one million, one hundred forty-four thousand, five hundred forty-one".