102520155351 has 16 divisors (see below), whose sum is σ = 137986498944. Its totient is φ = 67700434464.

The previous prime is 102520155329. The next prime is 102520155373. The reversal of 102520155351 is 153551025201.

It is an interprime number because it is at equal distance from previous prime (102520155329) and next prime (102520155373).

It is not a de Polignac number, because 102520155351 - 2²¹ = 102518058199 is a prime.

It is a super-3 number, since 3×102520155351³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102520150351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5549536 + ... + 5567978.

It is an arithmetic number, because the mean of its divisors is an integer number (8624156184).

Almost surely, 2^102520155351 is an apocalyptic number.

102520155351 is a deficient number, since it is larger than the sum of its proper divisors (35466343593).

102520155351 is a wasteful number, since it uses less digits than its factorization.

102520155351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35870.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 102520155351 in words is "one hundred two billion, five hundred twenty million, one hundred fifty-five thousand, three hundred fifty-one".