1157451431162 has 8 divisors (see below), whose sum is σ = 1869729234996. Its totient is φ = 534208352832.

The previous prime is 1157451431053. The next prime is 1157451431173. The reversal of 1157451431162 is 2611341547511.

It can be written as a sum of positive squares in 2 ways, for example, as 805091658361 + 352359772801 = 897269^2 + 593599^2 .

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, 22258681343 + ... + 22258681394.

Almost surely, 2^{1157451431162} is an apocalyptic number.

1157451431162 is a deficient number, since it is larger than the sum of its proper divisors (712277803834).

1157451431162 is a wasteful number, since it uses less digits than its factorization.

1157451431162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44517362752.

The product of its digits is 100800, while the sum is 41.

Adding to 1157451431162 its reverse (2611341547511), we get a palindrome (3768792978673).

The spelling of 1157451431162 in words is "one trillion, one hundred fifty-seven billion, four hundred fifty-one million, four hundred thirty-one thousand, one hundred sixty-two".