11562340315545 has 48 divisors (see below), whose sum is σ = 20418749956800. Its totient is φ = 6050857127040.

The previous prime is 11562340315541. The next prime is 11562340315637. The reversal of 11562340315545 is 54551304326511.

It is a happy number.

11562340315545 is a `hidden beast` number, since 1 + 1 + 5 + 6 + 23 + 40 + 31 + 554 + 5 = 666.

It is not a de Polignac number, because 11562340315545 - 2² = 11562340315541 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11562340315545.

It is not an unprimeable number, because it can be changed into a prime (11562340315541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2588535 + ... + 5461244.

It is an arithmetic number, because the mean of its divisors is an integer number (425390624100).

Almost surely, 2^{11562340315545} is an apocalyptic number.

11562340315545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11562340315545 is a deficient number, since it is larger than the sum of its proper divisors (8856409641255).

11562340315545 is a wasteful number, since it uses less digits than its factorization.

11562340315545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050390 (or 8050387 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 11562340315545 in words is "eleven trillion, five hundred sixty-two billion, three hundred forty million, three hundred fifteen thousand, five hundred forty-five".