1157251135 has 8 divisors (see below), whose sum is σ = 1409428656. Its totient is φ = 911982720.

The previous prime is 1157251133. The next prime is 1157251153. The reversal of 1157251135 is 5311527511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1157251135 - 2¹ = 1157251133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1157251097 and 1157251106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157251133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1726906 + ... + 1727575.

It is an arithmetic number, because the mean of its divisors is an integer number (176178582).

Almost surely, 2^1157251135 is an apocalyptic number.

1157251135 is a deficient number, since it is larger than the sum of its proper divisors (252177521).

1157251135 is an equidigital number, since it uses as much as digits as its factorization.

1157251135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454553.

The product of its digits is 5250, while the sum is 31.

The square root of 1157251135 is about 34018.3940685036. The cubic root of 1157251135 is about 1049.8869523039.

Adding to 1157251135 its reverse (5311527511), we get a palindrome (6468778646).

The spelling of 1157251135 in words is "one billion, one hundred fifty-seven million, two hundred fifty-one thousand, one hundred thirty-five".