6553465561240 has 32 divisors (see below), whose sum is σ = 15879551168880. Its totient is φ = 2419741130112.

The previous prime is 6553465561193. The next prime is 6553465561243. The reversal of 6553465561240 is 421655643556.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6553465561243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6301408674 + ... + 6301409713.

Almost surely, 2^{6553465561240} is an apocalyptic number.

It is an amenable number.

6553465561240 is an abundant number, since it is smaller than the sum of its proper divisors (9326085607640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6553465561240 is a wasteful number, since it uses less digits than its factorization.

6553465561240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12602818411 (or 12602818407 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 52.

The spelling of 6553465561240 in words is "six trillion, five hundred fifty-three billion, four hundred sixty-five million, five hundred sixty-one thousand, two hundred forty".