15527950001 has 2 divisors, whose sum is σ = 15527950002. Its totient is φ = 15527950000.

The previous prime is 15527949973. The next prime is 15527950027. The reversal of 15527950001 is 10005972551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12149550625 + 3378399376 = 110225^2 + 58124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15527950001 is a prime.

It is a super-2 number, since 2×15527950001² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (15527950301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7763975000 + 7763975001.

It is an arithmetic number, because the mean of its divisors is an integer number (7763975001).

Almost surely, 2^15527950001 is an apocalyptic number.

It is an amenable number.

15527950001 is a deficient number, since it is larger than the sum of its proper divisors (1).

15527950001 is an equidigital number, since it uses as much as digits as its factorization.

15527950001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15750, while the sum is 35.

The spelling of 15527950001 in words is "fifteen billion, five hundred twenty-seven million, nine hundred fifty thousand, one".