11345441131 has 8 divisors (see below), whose sum is σ = 11561402160. Its totient is φ = 11129550432.

The previous prime is 11345441123. The next prime is 11345441137. The reversal of 11345441131 is 13114454311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11345441131 - 2³ = 11345441123 is a prime.

It is a super-2 number, since 2×11345441131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11345441131.

It is not an unprimeable number, because it can be changed into a prime (11345441137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402580 + ... + 429838.

It is an arithmetic number, because the mean of its divisors is an integer number (1445175270).

Almost surely, 2^11345441131 is an apocalyptic number.

11345441131 is a deficient number, since it is larger than the sum of its proper divisors (215961029).

11345441131 is an equidigital number, since it uses as much as digits as its factorization.

11345441131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35165.

The product of its digits is 2880, while the sum is 28.

Adding to 11345441131 its reverse (13114454311), we get a palindrome (24459895442).

The spelling of 11345441131 in words is "eleven billion, three hundred forty-five million, four hundred forty-one thousand, one hundred thirty-one".