102537950195 has 4 divisors (see below), whose sum is σ = 123045540240. Its totient is φ = 82030360152.

The previous prime is 102537950149. The next prime is 102537950197. The reversal of 102537950195 is 591059735201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102537950195 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102537950197) 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, 10253795015 + ... + 10253795024.

It is an arithmetic number, because the mean of its divisors is an integer number (30761385060).

Almost surely, 2^102537950195 is an apocalyptic number.

102537950195 is a deficient number, since it is larger than the sum of its proper divisors (20507590045).

102537950195 is an equidigital number, since it uses as much as digits as its factorization.

102537950195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20507590044.

The product of its (nonzero) digits is 425250, while the sum is 47.

The spelling of 102537950195 in words is "one hundred two billion, five hundred thirty-seven million, nine hundred fifty thousand, one hundred ninety-five".