1131004001214 has 128 divisors (see below), whose sum is σ = 2561974272000. Its totient is φ = 369786219264.

The previous prime is 1131004001143. The next prime is 1131004001243. The reversal of 1131004001214 is 4121004001311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 362615947 + ... + 362619065.

It is an arithmetic number, because the mean of its divisors is an integer number (20015424000).

Almost surely, 2^{1131004001214} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131004001214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1280987136000).

1131004001214 is an abundant number, since it is smaller than the sum of its proper divisors (1430970270786).

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

1131004001214 is a wasteful number, since it uses less digits than its factorization.

1131004001214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3799 (or 3793 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1131004001214 its reverse (4121004001311), we get a palindrome (5252008002525).

The spelling of 1131004001214 in words is "one trillion, one hundred thirty-one billion, four million, one thousand, two hundred fourteen".