15880427621147 has 2 divisors, whose sum is σ = 15880427621148. Its totient is φ = 15880427621146.

The previous prime is 15880427621143. The next prime is 15880427621209. The reversal of 15880427621147 is 74112672408851.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15880427621147 - 2² = 15880427621143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15880427621092 and 15880427621101.

It is not a weakly prime, because it can be changed into another prime (15880427621143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7940213810573 + 7940213810574.

It is an arithmetic number, because the mean of its divisors is an integer number (7940213810574).

Almost surely, 2^{15880427621147} is an apocalyptic number.

15880427621147 is a deficient number, since it is larger than the sum of its proper divisors (1).

15880427621147 is an equidigital number, since it uses as much as digits as its factorization.

15880427621147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 15880427621147 in words is "fifteen trillion, eight hundred eighty billion, four hundred twenty-seven million, six hundred twenty-one thousand, one hundred forty-seven".