1138052521723 has 8 divisors (see below), whose sum is σ = 1225709363088. Its totient is φ = 1050412014624.

The previous prime is 1138052521709. The next prime is 1138052521757. The reversal of 1138052521723 is 3271252508311.

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

It is a cyclic number.

It is not a de Polignac number, because 1138052521723 - 2¹³ = 1138052513531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138052521703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3938665 + ... + 4217722.

It is an arithmetic number, because the mean of its divisors is an integer number (153213670386).

Almost surely, 2^{1138052521723} is an apocalyptic number.

1138052521723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1138052521723 is a deficient number, since it is larger than the sum of its proper divisors (87656841365).

1138052521723 is a wasteful number, since it uses less digits than its factorization.

1138052521723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8167133.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 1138052521723 in words is "one trillion, one hundred thirty-eight billion, fifty-two million, five hundred twenty-one thousand, seven hundred twenty-three".