42261631200725 has 24 divisors (see below), whose sum is σ = 56777431993920. Its totient is φ = 31080510155520.

The previous prime is 42261631200721. The next prime is 42261631200727. The reversal of 42261631200725 is 52700213616224.

It is not a de Polignac number, because 42261631200725 - 2² = 42261631200721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42261631200721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1156250705 + ... + 1156287254.

It is an arithmetic number, because the mean of its divisors is an integer number (2365726333080).

Almost surely, 2^{42261631200725} is an apocalyptic number.

It is an amenable number.

42261631200725 is a deficient number, since it is larger than the sum of its proper divisors (14515800793195).

42261631200725 is a wasteful number, since it uses less digits than its factorization.

42261631200725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312538029 (or 2312538024 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

Adding to 42261631200725 its reverse (52700213616224), we get a palindrome (94961844816949).

The spelling of 42261631200725 in words is "forty-two trillion, two hundred sixty-one billion, six hundred thirty-one million, two hundred thousand, seven hundred twenty-five".