11141661540 has 48 divisors (see below), whose sum is σ = 31204736640. Its totient is φ = 2970339840.

The previous prime is 11141661533. The next prime is 11141661577. The reversal of 11141661540 is 4516614111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 11141661498 and 11141661507.

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, 231916 + ... + 275804.

It is an arithmetic number, because the mean of its divisors is an integer number (650098680).

Almost surely, 2^11141661540 is an apocalyptic number.

11141661540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11141661540 is an abundant number, since it is smaller than the sum of its proper divisors (20063075100).

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

11141661540 is a wasteful number, since it uses less digits than its factorization.

11141661540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48132 (or 48130 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The spelling of 11141661540 in words is "eleven billion, one hundred forty-one million, six hundred sixty-one thousand, five hundred forty".