1157154131162 has 8 divisors (see below), whose sum is σ = 1735740422100. Its totient is φ = 578573990464.

The previous prime is 1157154131141. The next prime is 1157154131191. The reversal of 1157154131162 is 2611314517511.

It can be written as a sum of positive squares in 2 ways, for example, as 732100985641 + 425053145521 = 855629^2 + 651961^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034237 + ... + 1839552.

Almost surely, 2^{1157154131162} is an apocalyptic number.

1157154131162 is a deficient number, since it is larger than the sum of its proper divisors (578586290938).

1157154131162 is a wasteful number, since it uses less digits than its factorization.

1157154131162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075120.

The product of its digits is 25200, while the sum is 38.

Adding to 1157154131162 its reverse (2611314517511), we get a palindrome (3768468648673).

The spelling of 1157154131162 in words is "one trillion, one hundred fifty-seven billion, one hundred fifty-four million, one hundred thirty-one thousand, one hundred sixty-two".