25216044535 has 8 divisors (see below), whose sum is σ = 33010094736. Its totient is φ = 18338941440.

The previous prime is 25216044517. The next prime is 25216044569. The reversal of 25216044535 is 53544061252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25216044535 - 2⁷ = 25216044407 is a prime.

It is a super-2 number, since 2×25216044535² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25216044494 and 25216044503.

It is a congruent number.

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, 229236714 + ... + 229236823.

It is an arithmetic number, because the mean of its divisors is an integer number (4126261842).

Almost surely, 2^25216044535 is an apocalyptic number.

25216044535 is a deficient number, since it is larger than the sum of its proper divisors (7794050201).

25216044535 is a wasteful number, since it uses less digits than its factorization.

25216044535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458473553.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 25216044535 in words is "twenty-five billion, two hundred sixteen million, forty-four thousand, five hundred thirty-five".