47242615182157 has 4 divisors (see below), whose sum is σ = 48043337473440. Its totient is φ = 46441892890876.

The previous prime is 47242615182137. The next prime is 47242615182163. The reversal of 47242615182157 is 75128151624274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 47242615182157 - 2⁷ = 47242615182029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47242615182098 and 47242615182107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47242615182137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400361145553 + ... + 400361145670.

It is an arithmetic number, because the mean of its divisors is an integer number (12010834368360).

Almost surely, 2^{47242615182157} is an apocalyptic number.

It is an amenable number.

47242615182157 is a deficient number, since it is larger than the sum of its proper divisors (800722291283).

47242615182157 is an equidigital number, since it uses as much as digits as its factorization.

47242615182157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800722291282.

The product of its digits is 7526400, while the sum is 55.

The spelling of 47242615182157 in words is "forty-seven trillion, two hundred forty-two billion, six hundred fifteen million, one hundred eighty-two thousand, one hundred fifty-seven".