158828503512 has 128 divisors (see below), whose sum is σ = 456192000000. Its totient is φ = 45140382336.

The previous prime is 158828503489. The next prime is 158828503517. The reversal of 158828503512 is 215305828851.

It is a super-2 number, since 2×158828503512² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158828503517) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52958989 + ... + 52961987.

It is an arithmetic number, because the mean of its divisors is an integer number (3564000000).

Almost surely, 2^158828503512 is an apocalyptic number.

158828503512 is a gapful number since it is divisible by the number (12) 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 158828503512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228096000000).

158828503512 is an abundant number, since it is smaller than the sum of its proper divisors (297363496488).

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

158828503512 is a wasteful number, since it uses less digits than its factorization.

158828503512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573 (or 4569 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 48.

The spelling of 158828503512 in words is "one hundred fifty-eight billion, eight hundred twenty-eight million, five hundred three thousand, five hundred twelve".