25142450555 has 16 divisors (see below), whose sum is σ = 30299111424. Its totient is φ = 20028687840.

The previous prime is 25142450539. The next prime is 25142450591. The reversal of 25142450555 is 55505424152.

It is not a de Polignac number, because 25142450555 - 2⁴ = 25142450539 is a prime.

It is a Duffinian number.

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, 1197962 + ... + 1218768.

It is an arithmetic number, because the mean of its divisors is an integer number (1893694464).

Almost surely, 2^25142450555 is an apocalyptic number.

25142450555 is a deficient number, since it is larger than the sum of its proper divisors (5156660869).

25142450555 is a wasteful number, since it uses less digits than its factorization.

25142450555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21826.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 25142450555 in words is "twenty-five billion, one hundred forty-two million, four hundred fifty thousand, five hundred fifty-five".