11141345552440 has 64 divisors (see below), whose sum is σ = 25080754678560. Its totient is φ = 4454276313600.

The previous prime is 11141345552341. The next prime is 11141345552461. The reversal of 11141345552440 is 4425554314111.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 11141345552393 and 11141345552402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900450094 + ... + 900462466.

Almost surely, 2^{11141345552440} is an apocalyptic number.

11141345552440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11141345552440 is an abundant number, since it is smaller than the sum of its proper divisors (13939409126120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11141345552440 is a wasteful number, since it uses less digits than its factorization.

11141345552440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21992 (or 21988 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

Adding to 11141345552440 its reverse (4425554314111), we get a palindrome (15566899866551).

The spelling of 11141345552440 in words is "eleven trillion, one hundred forty-one billion, three hundred forty-five million, five hundred fifty-two thousand, four hundred forty".