11115555141 has 16 divisors (see below), whose sum is σ = 15185439360. Its totient is φ = 7228097280.

The previous prime is 11115555137. The next prime is 11115555181. The reversal of 11115555141 is 14155551111.

It is not a de Polignac number, because 11115555141 - 2² = 11115555137 is a prime.

It is a super-2 number, since 2×11115555141² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11115555099 and 11115555108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115555181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1030665 + ... + 1041393.

It is an arithmetic number, because the mean of its divisors is an integer number (949089960).

Almost surely, 2^11115555141 is an apocalyptic number.

It is an amenable number.

11115555141 is a deficient number, since it is larger than the sum of its proper divisors (4069884219).

11115555141 is a wasteful number, since it uses less digits than its factorization.

11115555141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19196.

The product of its digits is 2500, while the sum is 30.

The spelling of 11115555141 in words is "eleven billion, one hundred fifteen million, five hundred fifty-five thousand, one hundred forty-one".