22151103545 has 32 divisors (see below), whose sum is σ = 28691556480. Its totient is φ = 16366371840.

The previous prime is 22151103509. The next prime is 22151103563. The reversal of 22151103545 is 54530115122.

It is not a de Polignac number, because 22151103545 - 2¹⁰ = 22151102521 is a prime.

It is a super-2 number, since 2×22151103545² (a number of 21 digits) contains 22 as substring.

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, 637922 + ... + 671748.

It is an arithmetic number, because the mean of its divisors is an integer number (896611140).

Almost surely, 2^22151103545 is an apocalyptic number.

It is an amenable number.

22151103545 is a deficient number, since it is larger than the sum of its proper divisors (6540452935).

22151103545 is a wasteful number, since it uses less digits than its factorization.

22151103545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34025.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 22151103545 its reverse (54530115122), we get a palindrome (76681218667).

The spelling of 22151103545 in words is "twenty-two billion, one hundred fifty-one million, one hundred three thousand, five hundred forty-five".