201425544521115 has 32 divisors (see below), whose sum is σ = 322978087514880. Its totient is φ = 107194719671424.

The previous prime is 201425544521099. The next prime is 201425544521189. The reversal of 201425544521115 is 511125445524102.

It is not a de Polignac number, because 201425544521115 - 2⁴ = 201425544521099 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13936837 + ... + 24435353.

It is an arithmetic number, because the mean of its divisors is an integer number (10093065234840).

Almost surely, 2^{201425544521115} is an apocalyptic number.

201425544521115 is a deficient number, since it is larger than the sum of its proper divisors (121552542993765).

201425544521115 is a wasteful number, since it uses less digits than its factorization.

201425544521115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10501291.

The product of its (nonzero) digits is 320000, while the sum is 42.

The spelling of 201425544521115 in words is "two hundred one trillion, four hundred twenty-five billion, five hundred forty-four million, five hundred twenty-one thousand, one hundred fifteen".