11251436141 has 4 divisors (see below), whose sum is σ = 12274293984. Its totient is φ = 10228578300.

The previous prime is 11251436129. The next prime is 11251436149. The reversal of 11251436141 is 14163415211.

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 a de Polignac number, because none of the positive numbers 2^k-11251436141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11251436149) 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, 511428905 + ... + 511428926.

It is an arithmetic number, because the mean of its divisors is an integer number (3068573496).

Almost surely, 2^11251436141 is an apocalyptic number.

11251436141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11251436141 is a deficient number, since it is larger than the sum of its proper divisors (1022857843).

11251436141 is a wasteful number, since it uses less digits than its factorization.

11251436141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022857842.

The product of its digits is 2880, while the sum is 29.

The spelling of 11251436141 in words is "eleven billion, two hundred fifty-one million, four hundred thirty-six thousand, one hundred forty-one".