49571251111200 has 2304 divisors, whose sum is σ = 206668772352000. Its totient is φ = 10044850176000.

The previous prime is 49571251111183. The next prime is 49571251111231. The reversal of 49571251111200 is 211115217594.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 142037968626 + ... + 142037968974.

It is an arithmetic number, because the mean of its divisors is an integer number (89699988000).

Almost surely, 2^{49571251111200} is an apocalyptic number.

49571251111200 is a gapful number since it is divisible by the number (40) 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 49571251111200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103334386176000).

49571251111200 is an abundant number, since it is smaller than the sum of its proper divisors (157097521240800).

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

49571251111200 is a wasteful number, since it uses less digits than its factorization.

49571251111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 39.

Adding to 49571251111200 its reverse (211115217594), we get a palindrome (49782366328794).

The spelling of 49571251111200 in words is "forty-nine trillion, five hundred seventy-one billion, two hundred fifty-one million, one hundred eleven thousand, two hundred".