7111421071425 has 72 divisors (see below), whose sum is σ = 14234195390688. Its totient is φ = 3363865056000.

The previous prime is 7111421071397. The next prime is 7111421071441. The reversal of 7111421071425 is 5241701241117.

7111421071425 is a `hidden beast` number, since 7 + 1 + 1 + 14 + 210 + 7 + 1 + 425 = 666.

It is not a de Polignac number, because 7111421071425 - 2⁸ = 7111421071169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7111421071425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 34938787 + ... + 35141736.

It is an arithmetic number, because the mean of its divisors is an integer number (197697158204).

Almost surely, 2^{7111421071425} is an apocalyptic number.

7111421071425 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7111421071425 is an abundant number, since it is smaller than the sum of its proper divisors (7122774319263).

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

7111421071425 is a wasteful number, since it uses less digits than its factorization.

7111421071425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70080591 (or 70080583 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 36.

The spelling of 7111421071425 in words is "seven trillion, one hundred eleven billion, four hundred twenty-one million, seventy-one thousand, four hundred twenty-five".