1155325057438 has 16 divisors (see below), whose sum is σ = 1735203225600. Its totient is φ = 576924455736.

The previous prime is 1155325057433. The next prime is 1155325057459. The reversal of 1155325057438 is 8347505235511.

It is a junction number, because it is equal to n+sod(n) for n = 1155325057391 and 1155325057400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155325057433) 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, 4828963 + ... + 5062561.

It is an arithmetic number, because the mean of its divisors is an integer number (108450201600).

Almost surely, 2^{1155325057438} is an apocalyptic number.

1155325057438 is a deficient number, since it is larger than the sum of its proper divisors (579878168162).

1155325057438 is a wasteful number, since it uses less digits than its factorization.

1155325057438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236751.

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 1155325057438 in words is "one trillion, one hundred fifty-five billion, three hundred twenty-five million, fifty-seven thousand, four hundred thirty-eight".