1353041501661 has 24 divisors (see below), whose sum is σ = 1991616546816. Its totient is φ = 884853646560.

The previous prime is 1353041501641. The next prime is 1353041501663. The reversal of 1353041501661 is 1661051403531.

1353041501661 is a `hidden beast` number, since 1 + 3 + 53 + 0 + 41 + 501 + 6 + 61 = 666.

It is not a de Polignac number, because 1353041501661 - 2⁵ = 1353041501629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353041501663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2517396 + ... + 3007218.

It is an arithmetic number, because the mean of its divisors is an integer number (82984022784).

Almost surely, 2^{1353041501661} is an apocalyptic number.

It is an amenable number.

1353041501661 is a deficient number, since it is larger than the sum of its proper divisors (638575045155).

1353041501661 is a wasteful number, since it uses less digits than its factorization.

1353041501661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495673 (or 495670 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 1353041501661 in words is "one trillion, three hundred fifty-three billion, forty-one million, five hundred one thousand, six hundred sixty-one".