1138161307371 has 16 divisors (see below), whose sum is σ = 1656723811968. Its totient is φ = 689287875200.

The previous prime is 1138161307331. The next prime is 1138161307391. The reversal of 1138161307371 is 1737031618311.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1138161307371 is a prime.

It is a super-2 number, since 2×1138161307371² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1138161307331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12625821 + ... + 12715646.

It is an arithmetic number, because the mean of its divisors is an integer number (103545238248).

Almost surely, 2^{1138161307371} is an apocalyptic number.

1138161307371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1138161307371 is a deficient number, since it is larger than the sum of its proper divisors (518562504597).

1138161307371 is a wasteful number, since it uses less digits than its factorization.

1138161307371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25342842.

The product of its (nonzero) digits is 63504, while the sum is 42.

The spelling of 1138161307371 in words is "one trillion, one hundred thirty-eight billion, one hundred sixty-one million, three hundred seven thousand, three hundred seventy-one".