158454121454851 has 2 divisors, whose sum is σ = 158454121454852. Its totient is φ = 158454121454850.

The previous prime is 158454121454813. The next prime is 158454121454873.

158454121454851 is nontrivially palindromic in base 10.

158454121454851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 158454121454851 - 2²⁵ = 158454087900419 is a prime.

It is not a weakly prime, because it can be changed into another prime (158454121454801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79227060727425 + 79227060727426.

It is an arithmetic number, because the mean of its divisors is an integer number (79227060727426).

Almost surely, 2^{158454121454851} is an apocalyptic number.

158454121454851 is a deficient number, since it is larger than the sum of its proper divisors (1).

158454121454851 is an equidigital number, since it uses as much as digits as its factorization.

158454121454851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20480000, while the sum is 58.

The spelling of 158454121454851 in words is "one hundred fifty-eight trillion, four hundred fifty-four billion, one hundred twenty-one million, four hundred fifty-four thousand, eight hundred fifty-one".