151511232221133 has 16 divisors (see below), whose sum is σ = 202127083680000. Its totient is φ = 100951439987520.

The previous prime is 151511232221101. The next prime is 151511232221137. The reversal of 151511232221133 is 331122232115151.

It is not a de Polignac number, because 151511232221133 - 2⁵ = 151511232221101 is a prime.

It is a super-2 number, since 2×151511232221133² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151511232221094 and 151511232221103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151511232221137) 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, 110509063 + ... + 111871691.

It is an arithmetic number, because the mean of its divisors is an integer number (12632942730000).

Almost surely, 2^{151511232221133} is an apocalyptic number.

It is an amenable number.

151511232221133 is a deficient number, since it is larger than the sum of its proper divisors (50615851458867).

151511232221133 is a wasteful number, since it uses less digits than its factorization.

151511232221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383172.

The product of its digits is 10800, while the sum is 33.

Adding to 151511232221133 its reverse (331122232115151), we get a palindrome (482633464336284).

The spelling of 151511232221133 in words is "one hundred fifty-one trillion, five hundred eleven billion, two hundred thirty-two million, two hundred twenty-one thousand, one hundred thirty-three".