102520561450011 has 8 divisors (see below), whose sum is σ = 136695315999744. Its totient is φ = 68346423933480.

The previous prime is 102520561449923. The next prime is 102520561450079. The reversal of 102520561450011 is 110054165025201.

It is a happy number.

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

It is not a de Polignac number, because 102520561450011 - 2⁷ = 102520561449883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102520561450211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153870475 + ... + 154535316.

It is an arithmetic number, because the mean of its divisors is an integer number (17086914499968).

Almost surely, 2^{102520561450011} is an apocalyptic number.

102520561450011 is a deficient number, since it is larger than the sum of its proper divisors (34174754549733).

102520561450011 is a wasteful number, since it uses less digits than its factorization.

102520561450011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308516601.

The product of its (nonzero) digits is 12000, while the sum is 33.

The spelling of 102520561450011 in words is "one hundred two trillion, five hundred twenty billion, five hundred sixty-one million, four hundred fifty thousand, eleven".