1350440124561 has 24 divisors (see below), whose sum is σ = 2138768146944. Its totient is φ = 814293987360.

The previous prime is 1350440124547. The next prime is 1350440124587. The reversal of 1350440124561 is 1654210440531.

1350440124561 is a `hidden beast` number, since 1 + 3 + 5 + 0 + 4 + 401 + 245 + 6 + 1 = 666.

It is not a de Polignac number, because 1350440124561 - 2¹⁹ = 1350439600273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1350440124541) 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, 34601841 + ... + 34640846.

It is an arithmetic number, because the mean of its divisors is an integer number (89115339456).

Almost surely, 2^{1350440124561} is an apocalyptic number.

1350440124561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1350440124561 is a deficient number, since it is larger than the sum of its proper divisors (788328022383).

1350440124561 is a wasteful number, since it uses less digits than its factorization.

1350440124561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69242901 (or 69242898 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 1350440124561 in words is "one trillion, three hundred fifty billion, four hundred forty million, one hundred twenty-four thousand, five hundred sixty-one".