155450425011 has 32 divisors (see below), whose sum is σ = 241407129600. Its totient is φ = 87130802304.

The previous prime is 155450425001. The next prime is 155450425027. The reversal of 155450425011 is 110524054551.

It is a happy number.

It is not a de Polignac number, because 155450425011 - 2⁹ = 155450424499 is a prime.

It is a super-2 number, since 2×155450425011² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155450425001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5047686 + ... + 5078388.

It is an arithmetic number, because the mean of its divisors is an integer number (7543972800).

Almost surely, 2^155450425011 is an apocalyptic number.

155450425011 is a deficient number, since it is larger than the sum of its proper divisors (85956704589).

155450425011 is a wasteful number, since it uses less digits than its factorization.

155450425011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35315.

The product of its (nonzero) digits is 20000, while the sum is 33.

Adding to 155450425011 its reverse (110524054551), we get a palindrome (265974479562).

The spelling of 155450425011 in words is "one hundred fifty-five billion, four hundred fifty million, four hundred twenty-five thousand, eleven".