11512664545435 has 16 divisors (see below), whose sum is σ = 13957982069472. Its totient is φ = 9114946790400.

The previous prime is 11512664545363. The next prime is 11512664545457. The reversal of 11512664545435 is 53454546621511.

It is a happy number.

It is not a de Polignac number, because 11512664545435 - 2³¹ = 11510517061787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19896105 + ... + 20466565.

It is an arithmetic number, because the mean of its divisors is an integer number (872373879342).

Almost surely, 2^{11512664545435} is an apocalyptic number.

11512664545435 is a deficient number, since it is larger than the sum of its proper divisors (2445317524037).

11512664545435 is an equidigital number, since it uses as much as digits as its factorization.

11512664545435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612174.

The product of its digits is 8640000, while the sum is 52.

The spelling of 11512664545435 in words is "eleven trillion, five hundred twelve billion, six hundred sixty-four million, five hundred forty-five thousand, four hundred thirty-five".