15551453630896 has 20 divisors (see below), whose sum is σ = 30131750085192. Its totient is φ = 7775518125056.

The previous prime is 15551453630887. The next prime is 15551453630897. The reversal of 15551453630896 is 69803635415551.

15551453630896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (15551453630897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12427486 + ... + 13621501.

Almost surely, 2^{15551453630896} is an apocalyptic number.

15551453630896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15551453630896 is a deficient number, since it is larger than the sum of its proper divisors (14580296454296).

15551453630896 is a wasteful number, since it uses less digits than its factorization.

15551453630896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26086308 (or 26086302 counting only the distinct ones).

The product of its (nonzero) digits is 58320000, while the sum is 61.

The spelling of 15551453630896 in words is "fifteen trillion, five hundred fifty-one billion, four hundred fifty-three million, six hundred thirty thousand, eight hundred ninety-six".