25716772373122 has 8 divisors (see below), whose sum is σ = 40844285533836. Its totient is φ = 12102010528512.

The previous prime is 25716772373107. The next prime is 25716772373141. The reversal of 25716772373122 is 22137327761752.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25053718826161 + 663053546961 = 5005369^2 + 814281^2 .

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

It is a super-2 number, since 2×25716772373122² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378187828983 + ... + 378187829050.

Almost surely, 2^{25716772373122} is an apocalyptic number.

25716772373122 is a deficient number, since it is larger than the sum of its proper divisors (15127513160714).

25716772373122 is a wasteful number, since it uses less digits than its factorization.

25716772373122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756375658052.

The product of its digits is 10372320, while the sum is 55.

The spelling of 25716772373122 in words is "twenty-five trillion, seven hundred sixteen billion, seven hundred seventy-two million, three hundred seventy-three thousand, one hundred twenty-two".