11645354445 has 32 divisors (see below), whose sum is σ = 19249443840. Its totient is φ = 6005560320.

The previous prime is 11645354423. The next prime is 11645354447. The reversal of 11645354445 is 54445354611.

It is not a de Polignac number, because 11645354445 - 2⁶ = 11645354381 is a prime.

It is a super-2 number, since 2×11645354445² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11645354397 and 11645354406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11645354447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593451 + ... + 612759.

It is an arithmetic number, because the mean of its divisors is an integer number (601545120).

Almost surely, 2^11645354445 is an apocalyptic number.

11645354445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11645354445 is a deficient number, since it is larger than the sum of its proper divisors (7604089395).

11645354445 is a wasteful number, since it uses less digits than its factorization.

11645354445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20645.

The product of its digits is 576000, while the sum is 42.

The spelling of 11645354445 in words is "eleven billion, six hundred forty-five million, three hundred fifty-four thousand, four hundred forty-five".