15140405401 has 8 divisors (see below), whose sum is σ = 16529940000. Its totient is φ = 13753059840.

The previous prime is 15140405389. The next prime is 15140405447. The reversal of 15140405401 is 10450404151.

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

It is a cyclic number.

It is not a de Polignac number, because 15140405401 - 2⁵ = 15140405369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15140405461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532776 + ... + 560473.

It is an arithmetic number, because the mean of its divisors is an integer number (2066242500).

Almost surely, 2^15140405401 is an apocalyptic number.

15140405401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15140405401 is a deficient number, since it is larger than the sum of its proper divisors (1389534599).

15140405401 is a wasteful number, since it uses less digits than its factorization.

15140405401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094519.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 15140405401 its reverse (10450404151), we get a palindrome (25590809552).

The spelling of 15140405401 in words is "fifteen billion, one hundred forty million, four hundred five thousand, four hundred one".