15955108541 has 2 divisors, whose sum is σ = 15955108542. Its totient is φ = 15955108540.

The previous prime is 15955108531. The next prime is 15955108573. The reversal of 15955108541 is 14580155951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14309183641 + 1645924900 = 119621^2 + 40570^2 .

It is a cyclic number.

It is not a de Polignac number, because 15955108541 - 2¹⁰ = 15955107517 is a prime.

It is a super-2 number, since 2×15955108541² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15955108492 and 15955108501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15955108501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7977554270 + 7977554271.

It is an arithmetic number, because the mean of its divisors is an integer number (7977554271).

Almost surely, 2^15955108541 is an apocalyptic number.

It is an amenable number.

15955108541 is a deficient number, since it is larger than the sum of its proper divisors (1).

15955108541 is an equidigital number, since it uses as much as digits as its factorization.

15955108541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 44.

The spelling of 15955108541 in words is "fifteen billion, nine hundred fifty-five million, one hundred eight thousand, five hundred forty-one".