111001542141 has 16 divisors (see below), whose sum is σ = 169231966208. Its totient is φ = 63396918000.

The previous prime is 111001542137. The next prime is 111001542173. The reversal of 111001542141 is 141245100111.

It is not a de Polignac number, because 111001542141 - 2² = 111001542137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111001542181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1313665 + ... + 1395606.

It is an arithmetic number, because the mean of its divisors is an integer number (10576997888).

Almost surely, 2^111001542141 is an apocalyptic number.

It is an amenable number.

111001542141 is a deficient number, since it is larger than the sum of its proper divisors (58230424067).

111001542141 is a wasteful number, since it uses less digits than its factorization.

111001542141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711232.

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 111001542141 its reverse (141245100111), we get a palindrome (252246642252).

The spelling of 111001542141 in words is "one hundred eleven billion, one million, five hundred forty-two thousand, one hundred forty-one".