2107291387500 has 216 divisors, whose sum is σ = 7170190359696. Its totient is φ = 518717520000.

The previous prime is 2107291387493. The next prime is 2107291387501. The reversal of 2107291387500 is 57831927012.

2107291387500 is a `hidden beast` number, since 2 + 1 + 0 + 7 + 2 + 9 + 138 + 7 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2107291387501) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 742059 + ... + 2182941.

Almost surely, 2^{2107291387500} is an apocalyptic number.

2107291387500 is a gapful number since it is divisible by the number (20) 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 2107291387500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3585095179848).

2107291387500 is an abundant number, since it is smaller than the sum of its proper divisors (5062898972196).

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

2107291387500 is a wasteful number, since it uses less digits than its factorization.

2107291387500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440931 (or 1440906 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 2107291387500 in words is "two trillion, one hundred seven billion, two hundred ninety-one million, three hundred eighty-seven thousand, five hundred".