111045525401 has 4 divisors (see below), whose sum is σ = 111381010704. Its totient is φ = 110710040100.

The previous prime is 111045525379. The next prime is 111045525419. The reversal of 111045525401 is 104525540111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104525540111 = 17 ⋅6148561183.

It is a cyclic number.

It is not a de Polignac number, because 111045525401 - 2²⁶ = 110978416537 is a prime.

It is a super-3 number, since 3×111045525401³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111045525431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167742155 + ... + 167742816.

It is an arithmetic number, because the mean of its divisors is an integer number (27845252676).

Almost surely, 2^111045525401 is an apocalyptic number.

It is an amenable number.

111045525401 is a deficient number, since it is larger than the sum of its proper divisors (335485303).

111045525401 is an equidigital number, since it uses as much as digits as its factorization.

111045525401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335485302.

The product of its (nonzero) digits is 4000, while the sum is 29.

The spelling of 111045525401 in words is "one hundred eleven billion, forty-five million, five hundred twenty-five thousand, four hundred one".