261675152525030 has 8 divisors (see below), whose sum is σ = 471015274545072. Its totient is φ = 104670061010008.

The previous prime is 261675152525027. The next prime is 261675152525117. The reversal of 261675152525030 is 30525251576162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 261675152525030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13083757626242 + ... + 13083757626261.

It is an arithmetic number, because the mean of its divisors is an integer number (58876909318134).

Almost surely, 2^{261675152525030} is an apocalyptic number.

261675152525030 is a deficient number, since it is larger than the sum of its proper divisors (209340122020042).

261675152525030 is a wasteful number, since it uses less digits than its factorization.

261675152525030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26167515252510.

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 261675152525030 in words is "two hundred sixty-one trillion, six hundred seventy-five billion, one hundred fifty-two million, five hundred twenty-five thousand, thirty".