1155541351125 has 64 divisors (see below), whose sum is σ = 2197980794880. Its totient is φ = 528134184000.

The previous prime is 1155541351051. The next prime is 1155541351127. The reversal of 1155541351125 is 5211531455511.

It is not a de Polignac number, because 1155541351125 - 2⁸ = 1155541350869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155541351127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12867630 + ... + 12957120.

It is an arithmetic number, because the mean of its divisors is an integer number (34343449920).

Almost surely, 2^{1155541351125} is an apocalyptic number.

1155541351125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1155541351125 is a deficient number, since it is larger than the sum of its proper divisors (1042439443755).

1155541351125 is an equidigital number, since it uses as much as digits as its factorization.

1155541351125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94435 (or 94425 counting only the distinct ones).

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

The spelling of 1155541351125 in words is "one trillion, one hundred fifty-five billion, five hundred forty-one million, three hundred fifty-one thousand, one hundred twenty-five".