126651355318 has 8 divisors (see below), whose sum is σ = 198236904048. Its totient is φ = 60572387304.

The previous prime is 126651355301. The next prime is 126651355331. The reversal of 126651355318 is 813553156621.

It is a happy number.

126651355318 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×126651355318² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46), and also a Moran number because the ratio is a prime number: 2753290333 = 126651355318 / (1 + 2 + 6 + 6 + 5 + 1 + 3 + 5 + 5 + 3 + 1 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376645121 + ... + 1376645212.

It is an arithmetic number, because the mean of its divisors is an integer number (24779613006).

Almost surely, 2^126651355318 is an apocalyptic number.

126651355318 is a deficient number, since it is larger than the sum of its proper divisors (71585548730).

126651355318 is a wasteful number, since it uses less digits than its factorization.

126651355318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753290358.

The product of its digits is 648000, while the sum is 46.

The spelling of 126651355318 in words is "one hundred twenty-six billion, six hundred fifty-one million, three hundred fifty-five thousand, three hundred eighteen".