147518021061 has 12 divisors (see below), whose sum is σ = 213163042092. Its totient is φ = 98307752256.

The previous prime is 147518021059. The next prime is 147518021081. The reversal of 147518021061 is 160120815741.

147518021061 is a `hidden beast` number, since 1 + 475 + 1 + 80 + 2 + 106 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 128795572161 + 18722448900 = 358881^2 + 136830^2 .

It is not a de Polignac number, because 147518021061 - 2¹ = 147518021059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147518021081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3108066 + ... + 3155171.

It is an arithmetic number, because the mean of its divisors is an integer number (17763586841).

Almost surely, 2^147518021061 is an apocalyptic number.

It is an amenable number.

147518021061 is a deficient number, since it is larger than the sum of its proper divisors (65645021031).

147518021061 is a wasteful number, since it uses less digits than its factorization.

147518021061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6265860 (or 6265857 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The spelling of 147518021061 in words is "one hundred forty-seven billion, five hundred eighteen million, twenty-one thousand, sixty-one".