1131951389372 has 6 divisors (see below), whose sum is σ = 1980914931408. Its totient is φ = 565975694684.

The previous prime is 1131951389363. The next prime is 1131951389411. The reversal of 1131951389372 is 2739831591311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141493923668 + ... + 141493923675.

It is an arithmetic number, because the mean of its divisors is an integer number (330152488568).

Almost surely, 2^{1131951389372} is an apocalyptic number.

It is an amenable number.

1131951389372 is a deficient number, since it is larger than the sum of its proper divisors (848963542036).

1131951389372 is a wasteful number, since it uses less digits than its factorization.

1131951389372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282987847347 (or 282987847345 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 53.

The spelling of 1131951389372 in words is "one trillion, one hundred thirty-one billion, nine hundred fifty-one million, three hundred eighty-nine thousand, three hundred seventy-two".