15061155929461 has 2 divisors, whose sum is σ = 15061155929462. Its totient is φ = 15061155929460.

The previous prime is 15061155929453. The next prime is 15061155929551. The reversal of 15061155929461 is 16492955116051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8075543062500 + 6985612866961 = 2841750^2 + 2643031^2 .

It is a cyclic number.

It is not a de Polignac number, because 15061155929461 - 2³ = 15061155929453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15061155929401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7530577964730 + 7530577964731.

It is an arithmetic number, because the mean of its divisors is an integer number (7530577964731).

Almost surely, 2^{15061155929461} is an apocalyptic number.

It is an amenable number.

15061155929461 is a deficient number, since it is larger than the sum of its proper divisors (1).

15061155929461 is an equidigital number, since it uses as much as digits as its factorization.

15061155929461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916000, while the sum is 55.

The spelling of 15061155929461 in words is "fifteen trillion, sixty-one billion, one hundred fifty-five million, nine hundred twenty-nine thousand, four hundred sixty-one".