201261803902 has 16 divisors (see below), whose sum is σ = 303540141312. Its totient is φ = 100081989280.

The previous prime is 201261803891. The next prime is 201261803917. The reversal of 201261803902 is 209308162102.

201261803902 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 1752348 + ... + 1863664.

It is an arithmetic number, because the mean of its divisors is an integer number (18971258832).

Almost surely, 2^201261803902 is an apocalyptic number.

201261803902 is a deficient number, since it is larger than the sum of its proper divisors (102278337410).

201261803902 is a wasteful number, since it uses less digits than its factorization.

201261803902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116243.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 201261803902 in words is "two hundred one billion, two hundred sixty-one million, eight hundred three thousand, nine hundred two".