201043251554545 has 8 divisors (see below), whose sum is σ = 241923912736320. Its totient is φ = 160386593996400.

The previous prime is 201043251554441. The next prime is 201043251554573. The reversal of 201043251554545 is 545455152340102.

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 201043251554545 - 2¹¹ = 201043251552497 is a prime.

It is a super-2 number, since 2×201043251554545² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201043251554495 and 201043251554504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56000903931 + ... + 56000907520.

It is an arithmetic number, because the mean of its divisors is an integer number (30240489092040).

Almost surely, 2^{201043251554545} is an apocalyptic number.

It is an amenable number.

201043251554545 is a deficient number, since it is larger than the sum of its proper divisors (40880661181775).

201043251554545 is a wasteful number, since it uses less digits than its factorization.

201043251554545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112001811815.

The product of its (nonzero) digits is 2400000, while the sum is 46.

The spelling of 201043251554545 in words is "two hundred one trillion, forty-three billion, two hundred fifty-one million, five hundred fifty-four thousand, five hundred forty-five".