1157811501144 has 16 divisors (see below), whose sum is σ = 2894528752920. Its totient is φ = 385937167040.

The previous prime is 1157811501139. The next prime is 1157811501149. The reversal of 1157811501144 is 4411051187511.

It is an interprime number because it is at equal distance from previous prime (1157811501139) and next prime (1157811501149).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157811501149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24121072917 + ... + 24121072964.

Almost surely, 2^{1157811501144} is an apocalyptic number.

It is an amenable number.

1157811501144 is an abundant number, since it is smaller than the sum of its proper divisors (1736717251776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157811501144 is a wasteful number, since it uses less digits than its factorization.

1157811501144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48242145890 (or 48242145886 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 39.

Adding to 1157811501144 its reverse (4411051187511), we get a palindrome (5568862688655).

The spelling of 1157811501144 in words is "one trillion, one hundred fifty-seven billion, eight hundred eleven million, five hundred one thousand, one hundred forty-four".