15455603405 has 32 divisors (see below), whose sum is σ = 20545705728. Its totient is φ = 11067033600.

The previous prime is 15455603399. The next prime is 15455603413. The reversal of 15455603405 is 50430655451.

It is not a de Polignac number, because 15455603405 - 2¹⁰ = 15455602381 is a prime.

It is a super-2 number, since 2×15455603405² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3422429 + ... + 3426941.

It is an arithmetic number, because the mean of its divisors is an integer number (642053304).

Almost surely, 2^15455603405 is an apocalyptic number.

It is an amenable number.

15455603405 is a deficient number, since it is larger than the sum of its proper divisors (5090102323).

15455603405 is a wasteful number, since it uses less digits than its factorization.

15455603405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5477.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 15455603405 in words is "fifteen billion, four hundred fifty-five million, six hundred three thousand, four hundred five".