15478248001 has 2 divisors, whose sum is σ = 15478248002. Its totient is φ = 15478248000.

The previous prime is 15478247971. The next prime is 15478248029. The reversal of 15478248001 is 10084287451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9265025025 + 6213222976 = 96255^2 + 78824^2 .

It is a cyclic number.

It is not a de Polignac number, because 15478248001 - 2⁹ = 15478247489 is a prime.

It is a super-2 number, since 2×15478248001² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15478248091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7739124000 + 7739124001.

It is an arithmetic number, because the mean of its divisors is an integer number (7739124001).

Almost surely, 2^15478248001 is an apocalyptic number.

It is an amenable number.

15478248001 is a deficient number, since it is larger than the sum of its proper divisors (1).

15478248001 is an equidigital number, since it uses as much as digits as its factorization.

15478248001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 40.

The spelling of 15478248001 in words is "fifteen billion, four hundred seventy-eight million, two hundred forty-eight thousand, one".