25106100006 has 16 divisors (see below), whose sum is σ = 54074677104. Its totient is φ = 7724953824.

The previous prime is 25106100001. The next prime is 25106100073. The reversal of 25106100006 is 60000160152.

It is a happy number.

It is a super-2 number, since 2×25106100006² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25106100001) 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, 160936461 + ... + 160936616.

It is an arithmetic number, because the mean of its divisors is an integer number (3379667319).

Almost surely, 2^25106100006 is an apocalyptic number.

25106100006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25106100006 is an abundant number, since it is smaller than the sum of its proper divisors (28968577098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25106100006 is a wasteful number, since it uses less digits than its factorization.

25106100006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321873095.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 25106100006 its reverse (60000160152), we get a palindrome (85106260158).

The spelling of 25106100006 in words is "twenty-five billion, one hundred six million, one hundred thousand, six".