2513445204551 has 4 divisors (see below), whose sum is σ = 2513564408400. Its totient is φ = 2513326000704.

The previous prime is 2513445204541. The next prime is 2513445204559. The reversal of 2513445204551 is 1554025443152.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2513445204551 is a prime.

It is a super-2 number, since 2×2513445204551² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2513445204499 and 2513445204508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513445204559) 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, 59570291 + ... + 59612468.

It is an arithmetic number, because the mean of its divisors is an integer number (628391102100).

Almost surely, 2^{2513445204551} is an apocalyptic number.

2513445204551 is a deficient number, since it is larger than the sum of its proper divisors (119203849).

2513445204551 is a wasteful number, since it uses less digits than its factorization.

2513445204551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119203848.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 2513445204551 in words is "two trillion, five hundred thirteen billion, four hundred forty-five million, two hundred four thousand, five hundred fifty-one".