11622815712045 has 144 divisors (see below), whose sum is σ = 21934723736640. Its totient is φ = 5689143226368.

The previous prime is 11622815712043. The next prime is 11622815712047. The reversal of 11622815712045 is 54021751822611.

11622815712045 is a `hidden beast` number, since 1 + 1 + 622 + 8 + 1 + 5 + 7 + 12 + 0 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (11622815712043) and next prime (11622815712047).

It is not a de Polignac number, because 11622815712045 - 2¹ = 11622815712043 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11622815712043) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 346137297 + ... + 346170873.

Almost surely, 2^{11622815712045} is an apocalyptic number.

11622815712045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11622815712045 is a deficient number, since it is larger than the sum of its proper divisors (10311908024595).

11622815712045 is a wasteful number, since it uses less digits than its factorization.

11622815712045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34284 (or 34264 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 11622815712045 in words is "eleven trillion, six hundred twenty-two billion, eight hundred fifteen million, seven hundred twelve thousand, forty-five".