25715376054 has 48 divisors (see below), whose sum is σ = 57121593984. Its totient is φ = 8355984000.

The previous prime is 25715376023. The next prime is 25715376097. The reversal of 25715376054 is 45067351752.

It is a happy number.

25715376054 is a `hidden beast` number, since 2 + 5 + 7 + 1 + 5 + 37 + 605 + 4 = 666.

It is a super-2 number, since 2×25715376054² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 946747 + ... + 973529.

It is an arithmetic number, because the mean of its divisors is an integer number (1190033208).

Almost surely, 2^25715376054 is an apocalyptic number.

25715376054 is an abundant number, since it is smaller than the sum of its proper divisors (31406217930).

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

25715376054 is a wasteful number, since it uses less digits than its factorization.

25715376054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28133 (or 28130 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 25715376054 in words is "twenty-five billion, seven hundred fifteen million, three hundred seventy-six thousand, fifty-four".