1513205205401 has 4 divisors (see below), whose sum is σ = 1513273912704. Its totient is φ = 1513136498100.

The previous prime is 1513205205377. The next prime is 1513205205403. The reversal of 1513205205401 is 1045025023151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1513205205401 - 2¹⁰ = 1513205204377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1513205205403) 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, 34320605 + ... + 34364666.

It is an arithmetic number, because the mean of its divisors is an integer number (378318478176).

Almost surely, 2^{1513205205401} is an apocalyptic number.

It is an amenable number.

1513205205401 is a deficient number, since it is larger than the sum of its proper divisors (68707303).

1513205205401 is an equidigital number, since it uses as much as digits as its factorization.

1513205205401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68707302.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 1513205205401 in words is "one trillion, five hundred thirteen billion, two hundred five million, two hundred five thousand, four hundred one".