25214541506 has 32 divisors (see below), whose sum is σ = 47167712640. Its totient is φ = 9821088000.

The previous prime is 25214541493. The next prime is 25214541523. The reversal of 25214541506 is 60514541252.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577856 + ... + 619956.

It is an arithmetic number, because the mean of its divisors is an integer number (1473991020).

Almost surely, 2^25214541506 is an apocalyptic number.

25214541506 is a deficient number, since it is larger than the sum of its proper divisors (21953171134).

25214541506 is a wasteful number, since it uses less digits than its factorization.

25214541506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46010.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 25214541506 in words is "twenty-five billion, two hundred fourteen million, five hundred forty-one thousand, five hundred six".