11121357045 has 8 divisors (see below), whose sum is σ = 17794171296. Its totient is φ = 5931390416.

The previous prime is 11121357019. The next prime is 11121357047. The reversal of 11121357045 is 54075312111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11121357045 - 2¹³ = 11121348853 is a prime.

It is a super-2 number, since 2×11121357045² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121357047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370711887 + ... + 370711916.

It is an arithmetic number, because the mean of its divisors is an integer number (2224271412).

Almost surely, 2^11121357045 is an apocalyptic number.

11121357045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11121357045 is a deficient number, since it is larger than the sum of its proper divisors (6672814251).

11121357045 is an equidigital number, since it uses as much as digits as its factorization.

11121357045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741423811.

The product of its (nonzero) digits is 4200, while the sum is 30.

Adding to 11121357045 its reverse (54075312111), we get a palindrome (65196669156).

The spelling of 11121357045 in words is "eleven billion, one hundred twenty-one million, three hundred fifty-seven thousand, forty-five".