15474381195001 has 27 divisors (see below), whose sum is σ = 16559910458791. Its totient is φ = 14457062564864.

The previous prime is 15474381194999. The next prime is 15474381195011. The reversal of 15474381195001 is 10059118347451.

The square root of 15474381195001 is 3933749.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 14957563985001 + 516817210000 = 3867501^2 + 718900^2 .

It is not a de Polignac number, because 15474381195001 - 2¹ = 15474381194999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15474381195011) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9964185441 + ... + 9964186993.

Almost surely, 2^{15474381195001} is an apocalyptic number.

15474381195001 is the 3933749-th square number.

15474381195001 is the 1966875-th centered octagonal number.

It is an amenable number.

15474381195001 is a deficient number, since it is larger than the sum of its proper divisors (1085529263790).

15474381195001 is an frugal number, since it uses more digits than its factorization.

15474381195001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438 (or 1719 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 49.

Multiplying 15474381195001 by its sum of digits (49), we get a square (758244678555049 = 27536243²).

The spelling of 15474381195001 in words is "fifteen trillion, four hundred seventy-four billion, three hundred eighty-one million, one hundred ninety-five thousand, one".