1151523215042 has 16 divisors (see below), whose sum is σ = 1776322550592. Its totient is φ = 559618753200.

The previous prime is 1151523215027. The next prime is 1151523215069. The reversal of 1151523215042 is 2405123251511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50752334 + ... + 50775017.

It is an arithmetic number, because the mean of its divisors is an integer number (111020159412).

Almost surely, 2^{1151523215042} is an apocalyptic number.

1151523215042 is a deficient number, since it is larger than the sum of its proper divisors (624799335550).

1151523215042 is a wasteful number, since it uses less digits than its factorization.

1151523215042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101527513.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 1151523215042 its reverse (2405123251511), we get a palindrome (3556646466553).

The spelling of 1151523215042 in words is "one trillion, one hundred fifty-one billion, five hundred twenty-three million, two hundred fifteen thousand, forty-two".