15550453056201 has 16 divisors (see below), whose sum is σ = 23940216392064. Its totient is φ = 8794365202944.

The previous prime is 15550453056163. The next prime is 15550453056209. The reversal of 15550453056201 is 10265035405551.

It is a happy number.

It is not a de Polignac number, because 15550453056201 - 2⁹ = 15550453055689 is a prime.

It is a super-2 number, since 2×15550453056201² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15550453056209) 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, 3816996750 + ... + 3817000823.

It is an arithmetic number, because the mean of its divisors is an integer number (1496263524504).

Almost surely, 2^{15550453056201} is an apocalyptic number.

It is an amenable number.

15550453056201 is a deficient number, since it is larger than the sum of its proper divisors (8389763335863).

15550453056201 is an equidigital number, since it uses as much as digits as its factorization.

15550453056201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7633997680.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 15550453056201 in words is "fifteen trillion, five hundred fifty billion, four hundred fifty-three million, fifty-six thousand, two hundred one".