1155188146456 has 16 divisors (see below), whose sum is σ = 2178078211800. Its totient is φ = 574367289984.

The previous prime is 1155188146433. The next prime is 1155188146457. The reversal of 1155188146456 is 6546418815511.

It is a junction number, because it is equal to n+sod(n) for n = 1155188146397 and 1155188146406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155188146457) 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, 403346385 + ... + 403349248.

Almost surely, 2^{1155188146456} is an apocalyptic number.

It is an amenable number.

1155188146456 is a deficient number, since it is larger than the sum of its proper divisors (1022890065344).

1155188146456 is a wasteful number, since it uses less digits than its factorization.

1155188146456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806695818 (or 806695814 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 55.

The spelling of 1155188146456 in words is "one trillion, one hundred fifty-five billion, one hundred eighty-eight million, one hundred forty-six thousand, four hundred fifty-six".