154201343555551 has 8 divisors (see below), whose sum is σ = 154340830274384. Its totient is φ = 154061859409920.

The previous prime is 154201343555531. The next prime is 154201343555561. The reversal of 154201343555551 is 155555343102451.

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 154201343555551 - 2²⁷ = 154201209337823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154201343555495 and 154201343555504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154201343555531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131527336 + ... + 132694546.

It is an arithmetic number, because the mean of its divisors is an integer number (19292603784298).

Almost surely, 2^{154201343555551} is an apocalyptic number.

154201343555551 is a deficient number, since it is larger than the sum of its proper divisors (139486718833).

154201343555551 is a wasteful number, since it uses less digits than its factorization.

154201343555551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286601.

The product of its (nonzero) digits is 4500000, while the sum is 49.

The spelling of 154201343555551 in words is "one hundred fifty-four trillion, two hundred one billion, three hundred forty-three million, five hundred fifty-five thousand, five hundred fifty-one".