1157438837808 has 200 divisors, whose sum is σ = 3659127207120. Its totient is φ = 350295528960.

The previous prime is 1157438837803. The next prime is 1157438837809. The reversal of 1157438837808 is 8087388347511.

1157438837808 is a `hidden beast` number, since 1 + 1 + 57 + 438 + 83 + 78 + 0 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1157438837803) 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 39 ways as a sum of consecutive naturals, for example, 11311098 + ... + 11412966.

Almost surely, 2^{1157438837808} is an apocalyptic number.

1157438837808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157438837808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1829563603560).

1157438837808 is an abundant number, since it is smaller than the sum of its proper divisors (2501688369312).

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

1157438837808 is a wasteful number, since it uses less digits than its factorization.

1157438837808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102697 (or 102682 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 63.

The spelling of 1157438837808 in words is "one trillion, one hundred fifty-seven billion, four hundred thirty-eight million, eight hundred thirty-seven thousand, eight hundred eight".