1047107999520 has 288 divisors, whose sum is σ = 4028338984320. Its totient is φ = 253844236800.

The previous prime is 1047107999477. The next prime is 1047107999551. The reversal of 1047107999520 is 259997017401.

1047107999520 is a `hidden beast` number, since 1 + 0 + 4 + 7 + 107 + 9 + 9 + 9 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 478876 + ... + 1524315.

It is an arithmetic number, because the mean of its divisors is an integer number (13987288140).

Almost surely, 2^{1047107999520} is an apocalyptic number.

1047107999520 is a gapful number since it is divisible by the number (10) 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 1047107999520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2014169492160).

1047107999520 is an abundant number, since it is smaller than the sum of its proper divisors (2981230984800).

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

1047107999520 is a wasteful number, since it uses less digits than its factorization.

1047107999520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003237 (or 2003212 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The spelling of 1047107999520 in words is "one trillion, forty-seven billion, one hundred seven million, nine hundred ninety-nine thousand, five hundred twenty".