1138732019776 has 28 divisors (see below), whose sum is σ = 2433492226732. Its totient is φ = 525568624128.

The previous prime is 1138732019749. The next prime is 1138732019801. The reversal of 1138732019776 is 6779102378311.

It can be written as a sum of positive squares in 2 ways, for example, as 243664653376 + 895067366400 = 493624^2 + 946080^2 .

It is a super-2 number, since 2×1138732019776² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 684333315 + ... + 684334978.

It is an arithmetic number, because the mean of its divisors is an integer number (86910436669).

Almost surely, 2^{1138732019776} is an apocalyptic number.

1138732019776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1138732019776 is an abundant number, since it is smaller than the sum of its proper divisors (1294760206956).

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

1138732019776 is a wasteful number, since it uses less digits than its factorization.

1138732019776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368668318 (or 1368668308 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 55.

The spelling of 1138732019776 in words is "one trillion, one hundred thirty-eight billion, seven hundred thirty-two million, nineteen thousand, seven hundred seventy-six".