1025551143 has 6 divisors (see below), whose sum is σ = 1481351664. Its totient is φ = 683700756.

The previous prime is 1025551141. The next prime is 1025551171. The reversal of 1025551143 is 3411555201.

1025551143 is a `hidden beast` number, since 102 + 5 + 5 + 511 + 43 = 666.

1025551143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1025551143 - 2¹ = 1025551141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025551141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56975055 + ... + 56975072.

It is an arithmetic number, because the mean of its divisors is an integer number (246891944).

Almost surely, 2^1025551143 is an apocalyptic number.

1025551143 is a deficient number, since it is larger than the sum of its proper divisors (455800521).

1025551143 is a wasteful number, since it uses less digits than its factorization.

1025551143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113950133 (or 113950130 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1025551143 is about 32024.2274379883. The cubic root of 1025551143 is about 1008.4455200602.

The spelling of 1025551143 in words is "one billion, twenty-five million, five hundred fifty-one thousand, one hundred forty-three".