49113129852 has 108 divisors (see below), whose sum is σ = 126668607520. Its totient is φ = 16042530816.

The previous prime is 49113129839. The next prime is 49113129859. The reversal of 49113129852 is 25892131194.

49113129852 is a `hidden beast` number, since 491 + 13 + 12 + 98 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 49113129798 and 49113129807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49113129859) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 85117788 + ... + 85118364.

Almost surely, 2^49113129852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49113129852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63334303760).

49113129852 is an abundant number, since it is smaller than the sum of its proper divisors (77555477668).

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

49113129852 is a wasteful number, since it uses less digits than its factorization.

49113129852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 834 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The spelling of 49113129852 in words is "forty-nine billion, one hundred thirteen million, one hundred twenty-nine thousand, eight hundred fifty-two".