1542203084961 has 144 divisors (see below), whose sum is σ = 2985993512320. Its totient is φ = 748576857600.

The previous prime is 1542203084957. The next prime is 1542203084963. The reversal of 1542203084961 is 1694803022451.

1542203084961 is a `hidden beast` number, since 1 + 542 + 2 + 0 + 3 + 0 + 8 + 49 + 61 = 666.

It is not a de Polignac number, because 1542203084961 - 2² = 1542203084957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1542203084963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10500171 + ... + 10646031.

Almost surely, 2^{1542203084961} is an apocalyptic number.

1542203084961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1542203084961 is a deficient number, since it is larger than the sum of its proper divisors (1443790427359).

1542203084961 is a wasteful number, since it uses less digits than its factorization.

1542203084961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145988 (or 145974 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 1542203084961 in words is "one trillion, five hundred forty-two billion, two hundred three million, eighty-four thousand, nine hundred sixty-one".