72156047531025 has 48 divisors (see below), whose sum is σ = 120694533341184. Its totient is φ = 38035034614080.

The previous prime is 72156047531017. The next prime is 72156047531101. The reversal of 72156047531025 is 52013574065127.

It is not a de Polignac number, because 72156047531025 - 2³ = 72156047531017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11896899 + ... + 16907048.

It is an arithmetic number, because the mean of its divisors is an integer number (2514469444608).

Almost surely, 2^{72156047531025} is an apocalyptic number.

72156047531025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72156047531025 is a deficient number, since it is larger than the sum of its proper divisors (48538485810159).

72156047531025 is a wasteful number, since it uses less digits than its factorization.

72156047531025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28804350 (or 28804345 counting only the distinct ones).

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 72156047531025 in words is "seventy-two trillion, one hundred fifty-six billion, forty-seven million, five hundred thirty-one thousand, twenty-five".