201163755 has 16 divisors (see below), whose sum is σ = 346620960. Its totient is φ = 99034368.

The previous prime is 201163747. The next prime is 201163769. The reversal of 201163755 is 557361102.

It is not a de Polignac number, because 201163755 - 2³ = 201163747 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515610 + ... + 515999.

It is an arithmetic number, because the mean of its divisors is an integer number (21663810).

Almost surely, 2^201163755 is an apocalyptic number.

201163755 is a deficient number, since it is larger than the sum of its proper divisors (145457205).

201163755 is a wasteful number, since it uses less digits than its factorization.

201163755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031630.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 201163755 is about 14183.2208965383. The cubic root of 201163755 is about 585.9356347745.

It can be divided in two parts, 20116 and 3755, that added together give a triangular number (23871 = T₂₁₈).

The spelling of 201163755 in words is "two hundred one million, one hundred sixty-three thousand, seven hundred fifty-five".