201124706551 has 16 divisors (see below), whose sum is σ = 207995201568. Its totient is φ = 194355302400.

The previous prime is 201124706543. The next prime is 201124706567. The reversal of 201124706551 is 155607421102.

It is a cyclic number.

It is not a de Polignac number, because 201124706551 - 2³ = 201124706543 is a prime.

It is a super-2 number, since 2×201124706551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201124706351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15680721 + ... + 15693541.

It is an arithmetic number, because the mean of its divisors is an integer number (12999700098).

Almost surely, 2^201124706551 is an apocalyptic number.

201124706551 is a deficient number, since it is larger than the sum of its proper divisors (6870495017).

201124706551 is a wasteful number, since it uses less digits than its factorization.

201124706551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16722.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 201124706551 in words is "two hundred one billion, one hundred twenty-four million, seven hundred six thousand, five hundred fifty-one".