1501235013133 has 4 divisors (see below), whose sum is σ = 1589542955100. Its totient is φ = 1412927071168.

The previous prime is 1501235013107. The next prime is 1501235013137. The reversal of 1501235013133 is 3313105321051.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 875875117924 + 625359895209 = 935882^2 + 790797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1501235013133 - 2¹⁷ = 1501234882061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501235013137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44153970958 + ... + 44153970991.

It is an arithmetic number, because the mean of its divisors is an integer number (397385738775).

Almost surely, 2^{1501235013133} is an apocalyptic number.

It is an amenable number.

1501235013133 is a deficient number, since it is larger than the sum of its proper divisors (88307941967).

1501235013133 is an equidigital number, since it uses as much as digits as its factorization.

1501235013133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88307941966.

The product of its (nonzero) digits is 4050, while the sum is 28.

The spelling of 1501235013133 in words is "one trillion, five hundred one billion, two hundred thirty-five million, thirteen thousand, one hundred thirty-three".