15150061124381 has 2 divisors, whose sum is σ = 15150061124382. Its totient is φ = 15150061124380.

The previous prime is 15150061124377. The next prime is 15150061124383. The reversal of 15150061124381 is 18342116005151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10265032880281 + 4885028244100 = 3203909^2 + 2210210^2 .

It is a cyclic number.

It is not a de Polignac number, because 15150061124381 - 2² = 15150061124377 is a prime.

It is a super-2 number, since 2×15150061124381² (a number of 27 digits) contains 22 as substring.

Together with 15150061124383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15150061124383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7575030562190 + 7575030562191.

It is an arithmetic number, because the mean of its divisors is an integer number (7575030562191).

Almost surely, 2^{15150061124381} is an apocalyptic number.

It is an amenable number.

15150061124381 is a deficient number, since it is larger than the sum of its proper divisors (1).

15150061124381 is an equidigital number, since it uses as much as digits as its factorization.

15150061124381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 15150061124381 in words is "fifteen trillion, one hundred fifty billion, sixty-one million, one hundred twenty-four thousand, three hundred eighty-one".