100427251620551 has 8 divisors (see below), whose sum is σ = 100471306026000. Its totient is φ = 100383205995072.

The previous prime is 100427251620511. The next prime is 100427251620589. The reversal of 100427251620551 is 155026152724001.

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

It is a cyclic number.

It is not a de Polignac number, because 100427251620551 - 2¹⁴ = 100427251604167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100427251620499 and 100427251620508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100427251620511) 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, 20738981 + ... + 25118913.

It is an arithmetic number, because the mean of its divisors is an integer number (12558913253250).

Almost surely, 2^{100427251620551} is an apocalyptic number.

100427251620551 is a deficient number, since it is larger than the sum of its proper divisors (44054405449).

100427251620551 is an equidigital number, since it uses as much as digits as its factorization.

100427251620551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389985.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 100427251620551 in words is "one hundred trillion, four hundred twenty-seven billion, two hundred fifty-one million, six hundred twenty thousand, five hundred fifty-one".