201264240525 has 24 divisors (see below), whose sum is σ = 344231256480. Its totient is φ = 103639515840.

The previous prime is 201264240491. The next prime is 201264240557. The reversal of 201264240525 is 525042462102.

It is not a de Polignac number, because 201264240525 - 2¹² = 201264236429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46265467 + ... + 46269816.

It is an arithmetic number, because the mean of its divisors is an integer number (14342969020).

Almost surely, 2^201264240525 is an apocalyptic number.

201264240525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201264240525 is a deficient number, since it is larger than the sum of its proper divisors (142967015955).

201264240525 is a wasteful number, since it uses less digits than its factorization.

201264240525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92535325 (or 92535320 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 201264240525 in words is "two hundred one billion, two hundred sixty-four million, two hundred forty thousand, five hundred twenty-five".