1142111155415 has 8 divisors (see below), whose sum is σ = 1370540742288. Its totient is φ = 913684020480.

The previous prime is 1142111155373. The next prime is 1142111155429. The reversal of 1142111155415 is 5145511112411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142111155415 - 2⁶ = 1142111155351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647360 + ... + 1644170.

It is an arithmetic number, because the mean of its divisors is an integer number (171317592786).

Almost surely, 2^{1142111155415} is an apocalyptic number.

1142111155415 is a deficient number, since it is larger than the sum of its proper divisors (228429586873).

1142111155415 is an equidigital number, since it uses as much as digits as its factorization.

1142111155415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225969.

The product of its digits is 4000, while the sum is 32.

Adding to 1142111155415 its reverse (5145511112411), we get a palindrome (6287622267826).

The spelling of 1142111155415 in words is "one trillion, one hundred forty-two billion, one hundred eleven million, one hundred fifty-five thousand, four hundred fifteen".