81470001195 has 72 divisors (see below), whose sum is σ = 161968349088. Its totient is φ = 37783130880.

The previous prime is 81470001167. The next prime is 81470001211. The reversal of 81470001195 is 59110007418.

It is not a de Polignac number, because 81470001195 - 2⁹ = 81470000683 is a prime.

It is a super-2 number, since 2×81470001195² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 200034 + ... + 450503.

It is an arithmetic number, because the mean of its divisors is an integer number (2249560404).

Almost surely, 2^81470001195 is an apocalyptic number.

81470001195 is a deficient number, since it is larger than the sum of its proper divisors (80498347893).

81470001195 is a wasteful number, since it uses less digits than its factorization.

81470001195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650593 (or 650579 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The spelling of 81470001195 in words is "eighty-one billion, four hundred seventy million, one thousand, one hundred ninety-five".