1542401011 has 2 divisors, whose sum is σ = 1542401012. Its totient is φ = 1542401010.

The previous prime is 1542401009. The next prime is 1542401027. The reversal of 1542401011 is 1101042451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1542401011 - 2¹ = 1542401009 is a prime.

Together with 1542401009, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1542401011.

It is not a weakly prime, because it can be changed into another prime (1542401111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771200505 + 771200506.

It is an arithmetic number, because the mean of its divisors is an integer number (771200506).

Almost surely, 2^1542401011 is an apocalyptic number.

1542401011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1542401011 is an equidigital number, since it uses as much as digits as its factorization.

1542401011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1542401011 is about 39273.4135389324. The cubic root of 1542401011 is about 1155.4001876566.

Adding to 1542401011 its reverse (1101042451), we get a palindrome (2643443462).

The spelling of 1542401011 in words is "one billion, five hundred forty-two million, four hundred one thousand, eleven".