126651911469 has 8 divisors (see below), whose sum is σ = 171247655232. Its totient is φ = 83245387680.

The previous prime is 126651911383. The next prime is 126651911549. The reversal of 126651911469 is 964119156621.

It is a happy number.

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

It is not a de Polignac number, because 126651911469 - 2¹² = 126651907373 is a prime.

It is a super-2 number, since 2×126651911469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126651912469) 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, 297304744 + ... + 297305169.

It is an arithmetic number, because the mean of its divisors is an integer number (21405956904).

Almost surely, 2^126651911469 is an apocalyptic number.

It is an amenable number.

126651911469 is a deficient number, since it is larger than the sum of its proper divisors (44595743763).

126651911469 is an equidigital number, since it uses as much as digits as its factorization.

126651911469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594609987.

The product of its digits is 699840, while the sum is 51.

The spelling of 126651911469 in words is "one hundred twenty-six billion, six hundred fifty-one million, nine hundred eleven thousand, four hundred sixty-nine".