15425056091 has 2 divisors, whose sum is σ = 15425056092. Its totient is φ = 15425056090.

The previous prime is 15425056079. The next prime is 15425056139. The reversal of 15425056091 is 19065052451.

It is a weak prime.

It is an emirp because it is prime and its reverse (19065052451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15425056091 is a prime.

It is not a weakly prime, because it can be changed into another prime (15425056051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7712528045 + 7712528046.

It is an arithmetic number, because the mean of its divisors is an integer number (7712528046).

Almost surely, 2^15425056091 is an apocalyptic number.

15425056091 is a deficient number, since it is larger than the sum of its proper divisors (1).

15425056091 is an equidigital number, since it uses as much as digits as its factorization.

15425056091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 15425056091 in words is "fifteen billion, four hundred twenty-five million, fifty-six thousand, ninety-one".