158743834881100 has 72 divisors (see below), whose sum is σ = 393708450990848. Its totient is φ = 54423175579200.

The previous prime is 158743834881091. The next prime is 158743834881103. The reversal of 158743834881100 is 1188438347851.

It is a happy number.

It is a super-2 number, since 2×158743834881100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158743834881103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4792705 + ... + 18451495.

Almost surely, 2^{158743834881100} is an apocalyptic number.

158743834881100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158743834881100 is an abundant number, since it is smaller than the sum of its proper divisors (234964616109748).

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

158743834881100 is a wasteful number, since it uses less digits than its factorization.

158743834881100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13675415 (or 13675408 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 61.

The spelling of 158743834881100 in words is "one hundred fifty-eight trillion, seven hundred forty-three billion, eight hundred thirty-four million, eight hundred eighty-one thousand, one hundred".