1155343073715 has 48 divisors (see below), whose sum is σ = 2071791540000. Its totient is φ = 594894537216.

The previous prime is 1155343073681. The next prime is 1155343073737. The reversal of 1155343073715 is 5173703435511.

It is a happy number.

1155343073715 is a `hidden beast` number, since 1 + 1 + 5 + 534 + 30 + 73 + 7 + 15 = 666.

It is not a de Polignac number, because 1155343073715 - 2¹³ = 1155343065523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31953127 + ... + 31989263.

It is an arithmetic number, because the mean of its divisors is an integer number (43162323750).

Almost surely, 2^{1155343073715} is an apocalyptic number.

1155343073715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1155343073715 is a deficient number, since it is larger than the sum of its proper divisors (916448466285).

1155343073715 is a wasteful number, since it uses less digits than its factorization.

1155343073715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60676 (or 60673 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 45.

The spelling of 1155343073715 in words is "one trillion, one hundred fifty-five billion, three hundred forty-three million, seventy-three thousand, seven hundred fifteen".