106521871419 has 8 divisors (see below), whose sum is σ = 157810179920. Its totient is φ = 71014580928.

The previous prime is 106521871363. The next prime is 106521871471. The reversal of 106521871419 is 914178125601.

106521871419 is a `hidden beast` number, since 1 + 0 + 6 + 52 + 187 + 1 + 419 = 666.

It is not a de Polignac number, because 106521871419 - 2⁹ = 106521870907 is a prime.

It is a super-2 number, since 2×106521871419² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106521871499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972627222 + ... + 1972627275.

It is an arithmetic number, because the mean of its divisors is an integer number (19726272490).

Almost surely, 2^106521871419 is an apocalyptic number.

106521871419 is a deficient number, since it is larger than the sum of its proper divisors (51288308501).

106521871419 is an equidigital number, since it uses as much as digits as its factorization.

106521871419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945254506 (or 3945254500 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The spelling of 106521871419 in words is "one hundred six billion, five hundred twenty-one million, eight hundred seventy-one thousand, four hundred nineteen".