201455201534553 has 12 divisors (see below), whose sum is σ = 301768285426608. Its totient is φ = 134303467689540.

The previous prime is 201455201534471. The next prime is 201455201534569. The reversal of 201455201534553 is 355435102554102.

201455201534553 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 5 + 52 + 0 + 15 + 34 + 553 = 666.

It is not a de Polignac number, because 201455201534553 - 2¹⁰ = 201455201533529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201455201534499 and 201455201534508.

It is not an unprimeable number, because it can be changed into a prime (201455201534953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 414516875343 + ... + 414516875828.

It is an arithmetic number, because the mean of its divisors is an integer number (25147357118884).

Almost surely, 2^{201455201534553} is an apocalyptic number.

It is an amenable number.

201455201534553 is a deficient number, since it is larger than the sum of its proper divisors (100313083892055).

201455201534553 is an frugal number, since it uses more digits than its factorization.

201455201534553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829033751186 (or 829033751174 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 201455201534553 in words is "two hundred one trillion, four hundred fifty-five billion, two hundred one million, five hundred thirty-four thousand, five hundred fifty-three".