1187452546523 has 2 divisors, whose sum is σ = 1187452546524. Its totient is φ = 1187452546522.

The previous prime is 1187452546519. The next prime is 1187452546619. The reversal of 1187452546523 is 3256452547811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1187452546523 - 2² = 1187452546519 is a prime.

It is a super-3 number, since 3×1187452546523³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1187452545523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593726273261 + 593726273262.

It is an arithmetic number, because the mean of its divisors is an integer number (593726273262).

Almost surely, 2^{1187452546523} is an apocalyptic number.

1187452546523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1187452546523 is an equidigital number, since it uses as much as digits as its factorization.

1187452546523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064000, while the sum is 53.

The spelling of 1187452546523 in words is "one trillion, one hundred eighty-seven billion, four hundred fifty-two million, five hundred forty-six thousand, five hundred twenty-three".