1151871944103 has 6 divisors (see below), whose sum is σ = 1663815030384. Its totient is φ = 767914629396.

The previous prime is 1151871944087. The next prime is 1151871944107. The reversal of 1151871944103 is 3014491781511.

1151871944103 is a `hidden beast` number, since 1 + 1 + 518 + 7 + 1 + 94 + 41 + 0 + 3 = 666.

It is not a de Polignac number, because 1151871944103 - 2⁴ = 1151871944087 is a prime.

It is a super-2 number, since 2×1151871944103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151871944107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63992885775 + ... + 63992885792.

It is an arithmetic number, because the mean of its divisors is an integer number (277302505064).

Almost surely, 2^{1151871944103} is an apocalyptic number.

1151871944103 is a deficient number, since it is larger than the sum of its proper divisors (511943086281).

1151871944103 is a wasteful number, since it uses less digits than its factorization.

1151871944103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127985771573 (or 127985771570 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The spelling of 1151871944103 in words is "one trillion, one hundred fifty-one billion, eight hundred seventy-one million, nine hundred forty-four thousand, one hundred three".