15022013381 has 2 divisors, whose sum is σ = 15022013382. Its totient is φ = 15022013380.

The previous prime is 15022013353. The next prime is 15022013471. The reversal of 15022013381 is 18331022051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9968225281 + 5053788100 = 99841^2 + 71090^2 .

It is a cyclic number.

It is not a de Polignac number, because 15022013381 - 2⁶ = 15022013317 is a prime.

It is a super-2 number, since 2×15022013381² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15022013381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15022013341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7511006690 + 7511006691.

It is an arithmetic number, because the mean of its divisors is an integer number (7511006691).

Almost surely, 2^15022013381 is an apocalyptic number.

It is an amenable number.

15022013381 is a deficient number, since it is larger than the sum of its proper divisors (1).

15022013381 is an equidigital number, since it uses as much as digits as its factorization.

15022013381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 15022013381 in words is "fifteen billion, twenty-two million, thirteen thousand, three hundred eighty-one".