147811291105 has 16 divisors (see below), whose sum is σ = 180780710544. Its totient is φ = 115979086080.

The previous prime is 147811291073. The next prime is 147811291109. The reversal of 147811291105 is 501192118741.

It can be written as a sum of positive squares in 8 ways, for example, as 24171853729 + 123639437376 = 155473^2 + 351624^2 .

It is not a de Polignac number, because 147811291105 - 2⁵ = 147811291073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147811291109) 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, 712975 + ... + 896635.

It is an arithmetic number, because the mean of its divisors is an integer number (11298794409).

Almost surely, 2^147811291105 is an apocalyptic number.

It is an amenable number.

147811291105 is a deficient number, since it is larger than the sum of its proper divisors (32969419439).

147811291105 is a wasteful number, since it uses less digits than its factorization.

147811291105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186756.

The product of its (nonzero) digits is 20160, while the sum is 40.

The spelling of 147811291105 in words is "one hundred forty-seven billion, eight hundred eleven million, two hundred ninety-one thousand, one hundred five".