153840052546251 has 4 divisors (see below), whose sum is σ = 205120070061672. Its totient is φ = 102560035030832.

The previous prime is 153840052546223. The next prime is 153840052546261. The reversal of 153840052546251 is 152645250048351.

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

It is a cyclic number.

It is not a de Polignac number, because 153840052546251 - 2¹³ = 153840052538059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153840052546194 and 153840052546203.

It is not an unprimeable number, because it can be changed into a prime (153840052546211) 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, 25640008757706 + ... + 25640008757711.

It is an arithmetic number, because the mean of its divisors is an integer number (51280017515418).

Almost surely, 2^{153840052546251} is an apocalyptic number.

153840052546251 is a deficient number, since it is larger than the sum of its proper divisors (51280017515421).

153840052546251 is an equidigital number, since it uses as much as digits as its factorization.

153840052546251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51280017515420.

The product of its (nonzero) digits is 5760000, while the sum is 51.

The spelling of 153840052546251 in words is "one hundred fifty-three trillion, eight hundred forty billion, fifty-two million, five hundred forty-six thousand, two hundred fifty-one".