11045642156455 has 64 divisors (see below), whose sum is σ = 14210228551680. Its totient is φ = 8227565798400.

The previous prime is 11045642156443. The next prime is 11045642156459. The reversal of 11045642156455 is 55465124654011.

It is not a de Polignac number, because 11045642156455 - 2⁴³ = 2249549134247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11045642156399 and 11045642156408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045642156459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 440280922 + ... + 440306008.

It is an arithmetic number, because the mean of its divisors is an integer number (222034821120).

Almost surely, 2^{11045642156455} is an apocalyptic number.

11045642156455 is a deficient number, since it is larger than the sum of its proper divisors (3164586395225).

11045642156455 is a wasteful number, since it uses less digits than its factorization.

11045642156455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26120.

The product of its (nonzero) digits is 2880000, while the sum is 49.

The spelling of 11045642156455 in words is "eleven trillion, forty-five billion, six hundred forty-two million, one hundred fifty-six thousand, four hundred fifty-five".