151728421425 has 24 divisors (see below), whose sum is σ = 286694465856. Its totient is φ = 69361563840.

The previous prime is 151728421423. The next prime is 151728421441. The reversal of 151728421425 is 524124827151.

It is not a de Polignac number, because 151728421425 - 2¹ = 151728421423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151728421423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144502734 + ... + 144503783.

It is an arithmetic number, because the mean of its divisors is an integer number (11945602744).

Almost surely, 2^151728421425 is an apocalyptic number.

151728421425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151728421425 is a deficient number, since it is larger than the sum of its proper divisors (134966044431).

151728421425 is a wasteful number, since it uses less digits than its factorization.

151728421425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289006537 (or 289006532 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The spelling of 151728421425 in words is "one hundred fifty-one billion, seven hundred twenty-eight million, four hundred twenty-one thousand, four hundred twenty-five".