1542024829081 has 4 divisors (see below), whose sum is σ = 1682208904464. Its totient is φ = 1401840753700.

The previous prime is 1542024829063. The next prime is 1542024829087. The reversal of 1542024829081 is 1809284202451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1542024829081 - 2²⁹ = 1541487958169 is a prime.

It is a super-2 number, since 2×1542024829081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1542024829087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70092037675 + ... + 70092037696.

It is an arithmetic number, because the mean of its divisors is an integer number (420552226116).

Almost surely, 2^{1542024829081} is an apocalyptic number.

1542024829081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1542024829081 is a deficient number, since it is larger than the sum of its proper divisors (140184075383).

1542024829081 is a wasteful number, since it uses less digits than its factorization.

1542024829081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140184075382.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 1542024829081 in words is "one trillion, five hundred forty-two billion, twenty-four million, eight hundred twenty-nine thousand, eighty-one".