25112464013420 has 72 divisors (see below), whose sum is σ = 61500687380496. Its totient is φ = 8588299902336.

The previous prime is 25112464013389. The next prime is 25112464013431. The reversal of 25112464013420 is 2431046421152.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31884194 + ... + 32662313.

It is an arithmetic number, because the mean of its divisors is an integer number (854176213618).

Almost surely, 2^{25112464013420} is an apocalyptic number.

25112464013420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25112464013420 is an abundant number, since it is smaller than the sum of its proper divisors (36388223367076).

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

25112464013420 is a wasteful number, since it uses less digits than its factorization.

25112464013420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64546927 (or 64546918 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 25112464013420 in words is "twenty-five trillion, one hundred twelve billion, four hundred sixty-four million, thirteen thousand, four hundred twenty".