151023513055 has 4 divisors (see below), whose sum is σ = 181228215672. Its totient is φ = 120818810440.

The previous prime is 151023513041. The next prime is 151023513059. The reversal of 151023513055 is 550315320151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550315320151 = 18059 ⋅30473189.

It is not a de Polignac number, because 151023513055 - 2¹⁵ = 151023480287 is a prime.

It is a super-3 number, since 3×151023513055³ (a number of 35 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151023513059) 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, 15102351301 + ... + 15102351310.

It is an arithmetic number, because the mean of its divisors is an integer number (45307053918).

Almost surely, 2^151023513055 is an apocalyptic number.

151023513055 is a deficient number, since it is larger than the sum of its proper divisors (30204702617).

151023513055 is an equidigital number, since it uses as much as digits as its factorization.

151023513055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30204702616.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 151023513055 in words is "one hundred fifty-one billion, twenty-three million, five hundred thirteen thousand, fifty-five".