201072154995 has 12 divisors (see below), whose sum is σ = 348525068736. Its totient is φ = 107238482640.

The previous prime is 201072154939. The next prime is 201072155003. The reversal of 201072154995 is 599451270102.

201072154995 is a `hidden beast` number, since 2 + 0 + 10 + 7 + 2 + 1 + 549 + 95 = 666.

It is not a de Polignac number, because 201072154995 - 2¹² = 201072150899 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4468270111 = 201072154995 / (2 + 0 + 1 + 0 + 7 + 2 + 1 + 5 + 4 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 201072154995.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2234135011 + ... + 2234135100.

It is an arithmetic number, because the mean of its divisors is an integer number (29043755728).

Almost surely, 2^201072154995 is an apocalyptic number.

201072154995 is a deficient number, since it is larger than the sum of its proper divisors (147452913741).

201072154995 is a wasteful number, since it uses less digits than its factorization.

201072154995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468270122 (or 4468270119 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 201072154995 in words is "two hundred one billion, seventy-two million, one hundred fifty-four thousand, nine hundred ninety-five".