15212331053 has 2 divisors, whose sum is σ = 15212331054. Its totient is φ = 15212331052.

The previous prime is 15212331049. The next prime is 15212331061. The reversal of 15212331053 is 35013321251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14400480004 + 811851049 = 120002^2 + 28493^2 .

It is a cyclic number.

It is not a de Polignac number, because 15212331053 - 2² = 15212331049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15212351053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7606165526 + 7606165527.

It is an arithmetic number, because the mean of its divisors is an integer number (7606165527).

Almost surely, 2^15212331053 is an apocalyptic number.

It is an amenable number.

15212331053 is a deficient number, since it is larger than the sum of its proper divisors (1).

15212331053 is an equidigital number, since it uses as much as digits as its factorization.

15212331053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The spelling of 15212331053 in words is "fifteen billion, two hundred twelve million, three hundred thirty-one thousand, fifty-three".