15120254533091 has 2 divisors, whose sum is σ = 15120254533092. Its totient is φ = 15120254533090.

The previous prime is 15120254533073. The next prime is 15120254533133. The reversal of 15120254533091 is 19033545202151.

It is a weak prime.

It is an emirp because it is prime and its reverse (19033545202151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15120254533091 is a prime.

It is not a weakly prime, because it can be changed into another prime (15120254533061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7560127266545 + 7560127266546.

It is an arithmetic number, because the mean of its divisors is an integer number (7560127266546).

Almost surely, 2^{15120254533091} is an apocalyptic number.

15120254533091 is a deficient number, since it is larger than the sum of its proper divisors (1).

15120254533091 is an equidigital number, since it uses as much as digits as its factorization.

15120254533091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 15120254533091 in words is "fifteen trillion, one hundred twenty billion, two hundred fifty-four million, five hundred thirty-three thousand, ninety-one".