25343551212 has 24 divisors (see below), whose sum is σ = 67582803456. Its totient is φ = 7241014608.

The previous prime is 25343551199. The next prime is 25343551237. The reversal of 25343551212 is 21215534352.

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, 150854388 + ... + 150854555.

It is an arithmetic number, because the mean of its divisors is an integer number (2815950144).

Almost surely, 2^25343551212 is an apocalyptic number.

It is an amenable number.

25343551212 is an abundant number, since it is smaller than the sum of its proper divisors (42239252244).

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

25343551212 is a wasteful number, since it uses less digits than its factorization.

25343551212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301708957 (or 301708955 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The spelling of 25343551212 in words is "twenty-five billion, three hundred forty-three million, five hundred fifty-one thousand, two hundred twelve".