1138061833551 has 12 divisors (see below), whose sum is σ = 1644239993760. Its totient is φ = 758535780960.

The previous prime is 1138061833549. The next prime is 1138061833553. The reversal of 1138061833551 is 1553381608311.

1138061833551 is a `hidden beast` number, since 1 + 1 + 3 + 8 + 0 + 61 + 8 + 33 + 551 = 666.

It is an interprime number because it is at equal distance from previous prime (1138061833549) and next prime (1138061833553).

It is not a de Polignac number, because 1138061833551 - 2¹ = 1138061833549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1138061833497 and 1138061833506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1138061833553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14300455 + ... + 14379816.

It is an arithmetic number, because the mean of its divisors is an integer number (137019999480).

Almost surely, 2^{1138061833551} is an apocalyptic number.

1138061833551 is a deficient number, since it is larger than the sum of its proper divisors (506178160209).

1138061833551 is a wasteful number, since it uses less digits than its factorization.

1138061833551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28684686 (or 28684683 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 1138061833551 in words is "one trillion, one hundred thirty-eight billion, sixty-one million, eight hundred thirty-three thousand, five hundred fifty-one".