153052543455251 has 4 divisors (see below), whose sum is σ = 166966411042104. Its totient is φ = 139138675868400.

The previous prime is 153052543455241. The next prime is 153052543455293. The reversal of 153052543455251 is 152554345250351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-153052543455251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 153052543455251.

It is not an unprimeable number, because it can be changed into a prime (153052543455241) 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, 6956933793410 + ... + 6956933793431.

It is an arithmetic number, because the mean of its divisors is an integer number (41741602760526).

Almost surely, 2^{153052543455251} is an apocalyptic number.

153052543455251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

153052543455251 is a deficient number, since it is larger than the sum of its proper divisors (13913867586853).

153052543455251 is a wasteful number, since it uses less digits than its factorization.

153052543455251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13913867586852.

The product of its (nonzero) digits is 9000000, while the sum is 50.

The spelling of 153052543455251 in words is "one hundred fifty-three trillion, fifty-two billion, five hundred forty-three million, four hundred fifty-five thousand, two hundred fifty-one".