15040564400481 has 8 divisors (see below), whose sum is σ = 20057185921920. Its totient is φ = 10025492906352.

The previous prime is 15040564400453. The next prime is 15040564400527. The reversal of 15040564400481 is 18400446504051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15040564400481 - 2²¹ = 15040562303329 is a prime.

It is a super-2 number, since 2×15040564400481² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15040564420481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387484185 + ... + 387522998.

It is an arithmetic number, because the mean of its divisors is an integer number (2507148240240).

Almost surely, 2^{15040564400481} is an apocalyptic number.

It is an amenable number.

15040564400481 is a deficient number, since it is larger than the sum of its proper divisors (5016621521439).

15040564400481 is an equidigital number, since it uses as much as digits as its factorization.

15040564400481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775013655.

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 15040564400481 in words is "fifteen trillion, forty billion, five hundred sixty-four million, four hundred thousand, four hundred eighty-one".