11254142541 has 4 divisors (see below), whose sum is σ = 15005523392. Its totient is φ = 7502761692.

The previous prime is 11254142533. The next prime is 11254142563. The reversal of 11254142541 is 14524145211.

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 not a de Polignac number, because 11254142541 - 2³ = 11254142533 is a prime.

It is a super-3 number, since 3×11254142541³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11254142499 and 11254142508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11254142591) 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, 1875690421 + ... + 1875690426.

It is an arithmetic number, because the mean of its divisors is an integer number (3751380848).

Almost surely, 2^11254142541 is an apocalyptic number.

It is an amenable number.

11254142541 is a deficient number, since it is larger than the sum of its proper divisors (3751380851).

11254142541 is an equidigital number, since it uses as much as digits as its factorization.

11254142541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3751380850.

The product of its digits is 6400, while the sum is 30.

Adding to 11254142541 its reverse (14524145211), we get a palindrome (25778287752).

The spelling of 11254142541 in words is "eleven billion, two hundred fifty-four million, one hundred forty-two thousand, five hundred forty-one".