1155351125 has 16 divisors (see below), whose sum is σ = 1443811824. Its totient is φ = 923041600.

The previous prime is 1155351101. The next prime is 1155351139. The reversal of 1155351125 is 5211535511.

It can be written as a sum of positive squares in 8 ways, for example, as 173343556 + 982007569 = 13166^2 + 31337^2 .

It is not a de Polignac number, because 1155351125 - 2¹⁶ = 1155285589 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 93827 + ... + 105423.

It is an arithmetic number, because the mean of its divisors is an integer number (90238239).

Almost surely, 2^1155351125 is an apocalyptic number.

It is an amenable number.

1155351125 is a deficient number, since it is larger than the sum of its proper divisors (288460699).

1155351125 is an equidigital number, since it uses as much as digits as its factorization.

1155351125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12409 (or 12399 counting only the distinct ones).

The product of its digits is 3750, while the sum is 29.

The square root of 1155351125 is about 33990.4563811668. The cubic root of 1155351125 is about 1049.3120588199.

Adding to 1155351125 its reverse (5211535511), we get a palindrome (6366886636).

The spelling of 1155351125 in words is "one billion, one hundred fifty-five million, three hundred fifty-one thousand, one hundred twenty-five".