201152511004451 has 4 divisors (see below), whose sum is σ = 201157865542272. Its totient is φ = 201147156466632.

The previous prime is 201152511004309. The next prime is 201152511004493. The reversal of 201152511004451 is 154400115251102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201152511004451 - 2⁴² = 196754464493347 is a prime.

It is a super-2 number, since 2×201152511004451² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201152511804451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2677212560 + ... + 2677287693.

It is an arithmetic number, because the mean of its divisors is an integer number (50289466385568).

Almost surely, 2^{201152511004451} is an apocalyptic number.

201152511004451 is a deficient number, since it is larger than the sum of its proper divisors (5354537821).

201152511004451 is an equidigital number, since it uses as much as digits as its factorization.

201152511004451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354537820.

The product of its (nonzero) digits is 8000, while the sum is 32.

Adding to 201152511004451 its reverse (154400115251102), we get a palindrome (355552626255553).

The spelling of 201152511004451 in words is "two hundred one trillion, one hundred fifty-two billion, five hundred eleven million, four thousand, four hundred fifty-one".