1143255001530 has 64 divisors (see below), whose sum is σ = 2958667689600. Its totient is φ = 281777863680.

The previous prime is 1143255001529. The next prime is 1143255001543. The reversal of 1143255001530 is 351005523411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24436515 + ... + 24483254.

It is an arithmetic number, because the mean of its divisors is an integer number (46229182650).

Almost surely, 2^{1143255001530} is an apocalyptic number.

1143255001530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143255001530 is an abundant number, since it is smaller than the sum of its proper divisors (1815412688070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143255001530 is a wasteful number, since it uses less digits than its factorization.

1143255001530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48919839.

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 1143255001530 in words is "one trillion, one hundred forty-three billion, two hundred fifty-five million, one thousand, five hundred thirty".