1155551134152 has 32 divisors (see below), whose sum is σ = 2889741160800. Its totient is φ = 385068601344.

The previous prime is 1155551134139. The next prime is 1155551134183. The reversal of 1155551134152 is 2514311555511.

It is a self number, because there is not a number n which added to its sum of digits gives 1155551134152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7112377 + ... + 7273032.

It is an arithmetic number, because the mean of its divisors is an integer number (90304411275).

Almost surely, 2^{1155551134152} is an apocalyptic number.

1155551134152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1155551134152 is an abundant number, since it is smaller than the sum of its proper divisors (1734190026648).

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

1155551134152 is a wasteful number, since it uses less digits than its factorization.

1155551134152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14388765 (or 14388761 counting only the distinct ones).

The product of its digits is 75000, while the sum is 39.

Adding to 1155551134152 its reverse (2514311555511), we get a palindrome (3669862689663).

The spelling of 1155551134152 in words is "one trillion, one hundred fifty-five billion, five hundred fifty-one million, one hundred thirty-four thousand, one hundred fifty-two".