13553157720061 has 48 divisors (see below), whose sum is σ = 14639043328000. Its totient is φ = 12533486011200.

The previous prime is 13553157720029. The next prime is 13553157720077. The reversal of 13553157720061 is 16002775135531.

It is not a de Polignac number, because 13553157720061 - 2⁵ = 13553157720029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13553157719993 and 13553157720020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13553157720761) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1199494990 + ... + 1199506288.

Almost surely, 2^{13553157720061} is an apocalyptic number.

It is an amenable number.

13553157720061 is a deficient number, since it is larger than the sum of its proper divisors (1085885607939).

13553157720061 is a wasteful number, since it uses less digits than its factorization.

13553157720061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11858 (or 11829 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 13553157720061 in words is "thirteen trillion, five hundred fifty-three billion, one hundred fifty-seven million, seven hundred twenty thousand, sixty-one".