15414050405551 has 16 divisors (see below), whose sum is σ = 17802005073408. Its totient is φ = 13072752180000.

The previous prime is 15414050405513. The next prime is 15414050405591. The reversal of 15414050405551 is 15550405041451.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 15414050405551 - 2¹⁵ = 15414050372783 is a prime.

It is a super-2 number, since 2×15414050405551² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15414050405591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5973925 + ... + 8155726.

It is an arithmetic number, because the mean of its divisors is an integer number (1112625317088).

Almost surely, 2^{15414050405551} is an apocalyptic number.

15414050405551 is a deficient number, since it is larger than the sum of its proper divisors (2387954667857).

15414050405551 is a wasteful number, since it uses less digits than its factorization.

15414050405551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14131302.

The product of its (nonzero) digits is 200000, while the sum is 40.

The spelling of 15414050405551 in words is "fifteen trillion, four hundred fourteen billion, fifty million, four hundred five thousand, five hundred fifty-one".