11312505201545 has 32 divisors (see below), whose sum is σ = 13917657866112. Its totient is φ = 8822395878912.

The previous prime is 11312505201527. The next prime is 11312505201559. The reversal of 11312505201545 is 54510250521311.

11312505201545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11312505201545 - 2¹⁴ = 11312505185161 is a prime.

It is a super-3 number, since 3×11312505201545³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479270714 + ... + 479294316.

It is an arithmetic number, because the mean of its divisors is an integer number (434926808316).

Almost surely, 2^{11312505201545} is an apocalyptic number.

It is an amenable number.

11312505201545 is a deficient number, since it is larger than the sum of its proper divisors (2605152664567).

11312505201545 is a wasteful number, since it uses less digits than its factorization.

11312505201545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27881.

The product of its (nonzero) digits is 30000, while the sum is 35.

Adding to 11312505201545 its reverse (54510250521311), we get a palindrome (65822755722856).

The spelling of 11312505201545 in words is "eleven trillion, three hundred twelve billion, five hundred five million, two hundred one thousand, five hundred forty-five".