25535105122 has 16 divisors (see below), whose sum is σ = 40149359712. Its totient is φ = 12166469280.

The previous prime is 25535105093. The next prime is 25535105147. The reversal of 25535105122 is 22150153552.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3617448 + ... + 3624499.

It is an arithmetic number, because the mean of its divisors is an integer number (2509334982).

Almost surely, 2^25535105122 is an apocalyptic number.

25535105122 is a deficient number, since it is larger than the sum of its proper divisors (14614254590).

25535105122 is a wasteful number, since it uses less digits than its factorization.

25535105122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7242033.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 25535105122 its reverse (22150153552), we get a palindrome (47685258674).

The spelling of 25535105122 in words is "twenty-five billion, five hundred thirty-five million, one hundred five thousand, one hundred twenty-two".