1187126597355 has 32 divisors (see below), whose sum is σ = 2098572655104. Its totient is φ = 569982690816.

The previous prime is 1187126597353. The next prime is 1187126597357. The reversal of 1187126597355 is 5537956217811.

It is an interprime number because it is at equal distance from previous prime (1187126597353) and next prime (1187126597357).

It is not a de Polignac number, because 1187126597355 - 2¹ = 1187126597353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1187126597353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101198449 + ... + 101210178.

It is an arithmetic number, because the mean of its divisors is an integer number (65580395472).

Almost surely, 2^{1187126597355} is an apocalyptic number.

1187126597355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1187126597355 is a deficient number, since it is larger than the sum of its proper divisors (911446057749).

1187126597355 is a wasteful number, since it uses less digits than its factorization.

1187126597355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202408675.

The product of its digits is 15876000, while the sum is 60.

The spelling of 1187126597355 in words is "one trillion, one hundred eighty-seven billion, one hundred twenty-six million, five hundred ninety-seven thousand, three hundred fifty-five".