15040551401 has 4 divisors (see below), whose sum is σ = 15075448704. Its totient is φ = 15005654100.

The previous prime is 15040551377. The next prime is 15040551403. The reversal of 15040551401 is 10415504051.

15040551401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10415504051 = 263 ⋅39602677.

It is a cyclic number.

It is not a de Polignac number, because 15040551401 - 2¹⁰ = 15040550377 is a prime.

It is a super-2 number, since 2×15040551401² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15040551403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17448005 + ... + 17448866.

It is an arithmetic number, because the mean of its divisors is an integer number (3768862176).

Almost surely, 2^15040551401 is an apocalyptic number.

It is an amenable number.

15040551401 is a deficient number, since it is larger than the sum of its proper divisors (34897303).

15040551401 is an equidigital number, since it uses as much as digits as its factorization.

15040551401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34897302.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 15040551401 in words is "fifteen billion, forty million, five hundred fifty-one thousand, four hundred one".