1142210537156 has 12 divisors (see below), whose sum is σ = 2152627550892. Its totient is φ = 527174094048.

The previous prime is 1142210537147. The next prime is 1142210537191. The reversal of 1142210537156 is 6517350122411.

It can be written as a sum of positive squares in 2 ways, for example, as 526472141056 + 615738396100 = 725584^2 + 784690^2 .

It is a super-5 number, since 5×1142210537156⁵ (a number of 61 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10982793575 + ... + 10982793678.

It is an arithmetic number, because the mean of its divisors is an integer number (179385629241).

Almost surely, 2^{1142210537156} is an apocalyptic number.

It is an amenable number.

1142210537156 is a deficient number, since it is larger than the sum of its proper divisors (1010417013736).

1142210537156 is a wasteful number, since it uses less digits than its factorization.

1142210537156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21965587270 (or 21965587268 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

Adding to 1142210537156 its reverse (6517350122411), we get a palindrome (7659560659567).

The spelling of 1142210537156 in words is "one trillion, one hundred forty-two billion, two hundred ten million, five hundred thirty-seven thousand, one hundred fifty-six".