1542128262401 has 8 divisors (see below), whose sum is σ = 1609299366720. Its totient is φ = 1474967328912.

The previous prime is 1542128262361. The next prime is 1542128262419. The reversal of 1542128262401 is 1042628212451.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1542128262401 - 2²² = 1542124068097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1542128262481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2232050 + ... + 2840123.

It is an arithmetic number, because the mean of its divisors is an integer number (201162420840).

Almost surely, 2^{1542128262401} is an apocalyptic number.

It is an amenable number.

1542128262401 is a deficient number, since it is larger than the sum of its proper divisors (67171104319).

1542128262401 is a wasteful number, since it uses less digits than its factorization.

1542128262401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085415.

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 1542128262401 in words is "one trillion, five hundred forty-two billion, one hundred twenty-eight million, two hundred sixty-two thousand, four hundred one".