2311125541 has 4 divisors (see below), whose sum is σ = 2311290432. Its totient is φ = 2310960652.

The previous prime is 2311125539. The next prime is 2311125569. The reversal of 2311125541 is 1455211132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2311125541 - 2¹ = 2311125539 is a prime.

It is a super-3 number, since 3×2311125541³ (a number of 29 digits) contains 333 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 (2311125581) 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, 59245 + ... + 90178.

It is an arithmetic number, because the mean of its divisors is an integer number (577822608).

Almost surely, 2^2311125541 is an apocalyptic number.

It is an amenable number.

2311125541 is a deficient number, since it is larger than the sum of its proper divisors (164891).

2311125541 is a wasteful number, since it uses less digits than its factorization.

2311125541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164890.

The product of its digits is 1200, while the sum is 25.

The square root of 2311125541 is about 48074.1670858685. The cubic root of 2311125541 is about 1322.1310734398.

Adding to 2311125541 its reverse (1455211132), we get a palindrome (3766336673).

The spelling of 2311125541 in words is "two billion, three hundred eleven million, one hundred twenty-five thousand, five hundred forty-one".