1143551031051 has 32 divisors (see below), whose sum is σ = 1839710170368. Its totient is φ = 622458311040.

The previous prime is 1143551031013. The next prime is 1143551031089. The reversal of 1143551031051 is 1501301553411.

It is an interprime number because it is at equal distance from previous prime (1143551031013) and next prime (1143551031089).

It is not a de Polignac number, because 1143551031051 - 2³³ = 1134961096459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143551035051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36006021 + ... + 36037766.

It is an arithmetic number, because the mean of its divisors is an integer number (57490942824).

Almost surely, 2^{1143551031051} is an apocalyptic number.

1143551031051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1143551031051 is a deficient number, since it is larger than the sum of its proper divisors (696159139317).

1143551031051 is a wasteful number, since it uses less digits than its factorization.

1143551031051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72043851.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 1143551031051 its reverse (1501301553411), we get a palindrome (2644852584462).

The spelling of 1143551031051 in words is "one trillion, one hundred forty-three billion, five hundred fifty-one million, thirty-one thousand, fifty-one".