102150061725 has 48 divisors (see below), whose sum is σ = 170123329664. Its totient is φ = 54082080000.

The previous prime is 102150061721. The next prime is 102150061747. The reversal of 102150061725 is 527160051201.

It is not a de Polignac number, because 102150061725 - 2² = 102150061721 is a prime.

It is a super-2 number, since 2×102150061725² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102150061692 and 102150061701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102150061721) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26509899 + ... + 26513751.

Almost surely, 2^102150061725 is an apocalyptic number.

102150061725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102150061725 is a deficient number, since it is larger than the sum of its proper divisors (67973267939).

102150061725 is a wasteful number, since it uses less digits than its factorization.

102150061725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6358 (or 6353 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 102150061725 in words is "one hundred two billion, one hundred fifty million, sixty-one thousand, seven hundred twenty-five".