151366121025 has 96 divisors (see below), whose sum is σ = 292031308800. Its totient is φ = 67748640000.

The previous prime is 151366121009. The next prime is 151366121033. The reversal of 151366121025 is 520121663151.

It is not a de Polignac number, because 151366121025 - 2⁴ = 151366121009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7764991 + ... + 7784459.

It is an arithmetic number, because the mean of its divisors is an integer number (3041992800).

Almost surely, 2^151366121025 is an apocalyptic number.

151366121025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

151366121025 is a deficient number, since it is larger than the sum of its proper divisors (140665187775).

151366121025 is a wasteful number, since it uses less digits than its factorization.

151366121025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19799 (or 19794 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

Adding to 151366121025 its reverse (520121663151), we get a palindrome (671487784176).

The spelling of 151366121025 in words is "one hundred fifty-one billion, three hundred sixty-six million, one hundred twenty-one thousand, twenty-five".