1023412211535 has 64 divisors (see below), whose sum is σ = 1911994601472. Its totient is φ = 457700806656.

The previous prime is 1023412211489. The next prime is 1023412211543. The reversal of 1023412211535 is 5351122143201.

It is a happy number.

It is not a de Polignac number, because 1023412211535 - 2¹⁰ = 1023412210511 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12162327 + ... + 12246183.

It is an arithmetic number, because the mean of its divisors is an integer number (29874915648).

Almost surely, 2^{1023412211535} is an apocalyptic number.

1023412211535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1023412211535 is a deficient number, since it is larger than the sum of its proper divisors (888582389937).

1023412211535 is a wasteful number, since it uses less digits than its factorization.

1023412211535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86392.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1023412211535 its reverse (5351122143201), we get a palindrome (6374534354736).

The spelling of 1023412211535 in words is "one trillion, twenty-three billion, four hundred twelve million, two hundred eleven thousand, five hundred thirty-five".