25122434311 has 8 divisors (see below), whose sum is σ = 27063527120. Its totient is φ = 23182569792.

The previous prime is 25122434297. The next prime is 25122434329. The reversal of 25122434311 is 11343422152.

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

It is a cyclic number.

It is not a de Polignac number, because 25122434311 - 2²¹ = 25120337159 is a prime.

It is a super-2 number, since 2×25122434311² (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 25122434311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25122434111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264366 + ... + 346603.

It is an arithmetic number, because the mean of its divisors is an integer number (3382940890).

Almost surely, 2^25122434311 is an apocalyptic number.

25122434311 is a deficient number, since it is larger than the sum of its proper divisors (1941092809).

25122434311 is a wasteful number, since it uses less digits than its factorization.

25122434311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614145.

The product of its digits is 5760, while the sum is 28.

Adding to 25122434311 its reverse (11343422152), we get a palindrome (36465856463).

The spelling of 25122434311 in words is "twenty-five billion, one hundred twenty-two million, four hundred thirty-four thousand, three hundred eleven".