155132052111 has 12 divisors (see below), whose sum is σ = 225331474680. Its totient is φ = 102843594000.

The previous prime is 155132052107. The next prime is 155132052137. The reversal of 155132052111 is 111250231551.

It is a happy number.

155132052111 is a `hidden beast` number, since 1 + 5 + 5 + 132 + 0 + 521 + 1 + 1 = 666.

It is not a de Polignac number, because 155132052111 - 2² = 155132052107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155132052191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48146140 + ... + 48149361.

It is an arithmetic number, because the mean of its divisors is an integer number (18777622890).

Almost surely, 2^155132052111 is an apocalyptic number.

155132052111 is a deficient number, since it is larger than the sum of its proper divisors (70199422569).

155132052111 is a wasteful number, since it uses less digits than its factorization.

155132052111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96295686 (or 96295683 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

Adding to 155132052111 its reverse (111250231551), we get a palindrome (266382283662).

The spelling of 155132052111 in words is "one hundred fifty-five billion, one hundred thirty-two million, fifty-two thousand, one hundred eleven".