900170051011 has 32 divisors (see below), whose sum is σ = 1159278575616. Its totient is φ = 678344004000.

The previous prime is 900170051009. The next prime is 900170051047. The reversal of 900170051011 is 110150071009.

900170051011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 900170051011 - 2¹ = 900170051009 is a prime.

It is a super-2 number, since 2×900170051011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (900170051051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3412776 + ... + 3667066.

It is an arithmetic number, because the mean of its divisors is an integer number (36227455488).

Almost surely, 2^900170051011 is an apocalyptic number.

900170051011 is a deficient number, since it is larger than the sum of its proper divisors (259108524605).

900170051011 is a wasteful number, since it uses less digits than its factorization.

900170051011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255823.

The product of its (nonzero) digits is 315, while the sum is 25.

The spelling of 900170051011 in words is "nine hundred billion, one hundred seventy million, fifty-one thousand, eleven".