1555200226143 has 12 divisors (see below), whose sum is σ = 2247551761728. Its totient is φ = 1036268719200.

The previous prime is 1555200226133. The next prime is 1555200226187. The reversal of 1555200226143 is 3416220025551.

1555200226143 is a `hidden beast` number, since 1 + 5 + 552 + 0 + 0 + 2 + 2 + 61 + 43 = 666.

It is not a de Polignac number, because 1555200226143 - 2¹² = 1555200222047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1555200226098 and 1555200226107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1555200226133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44267430 + ... + 44302547.

It is an arithmetic number, because the mean of its divisors is an integer number (187295980144).

Almost surely, 2^{1555200226143} is an apocalyptic number.

1555200226143 is a deficient number, since it is larger than the sum of its proper divisors (692351535585).

1555200226143 is a wasteful number, since it uses less digits than its factorization.

1555200226143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88571934 (or 88571931 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 1555200226143 in words is "one trillion, five hundred fifty-five billion, two hundred million, two hundred twenty-six thousand, one hundred forty-three".