25229116237 has 16 divisors (see below), whose sum is σ = 30282154560. Its totient is φ = 20764899072.

The previous prime is 25229116223. The next prime is 25229116249. The reversal of 25229116237 is 73261192252.

It is a cyclic number.

It is not a de Polignac number, because 25229116237 - 2¹¹ = 25229114189 is a prime.

It is a super-2 number, since 2×25229116237² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25229116237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25229116637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2999983 + ... + 3008380.

It is an arithmetic number, because the mean of its divisors is an integer number (1892634660).

Almost surely, 2^25229116237 is an apocalyptic number.

It is an amenable number.

25229116237 is a deficient number, since it is larger than the sum of its proper divisors (5053038323).

25229116237 is a wasteful number, since it uses less digits than its factorization.

25229116237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6008412.

The product of its digits is 90720, while the sum is 40.

The spelling of 25229116237 in words is "twenty-five billion, two hundred twenty-nine million, one hundred sixteen thousand, two hundred thirty-seven".