1123145015135 has 64 divisors (see below), whose sum is σ = 1595908016640. Its totient is φ = 748050439680.

The previous prime is 1123145015131. The next prime is 1123145015141. The reversal of 1123145015135 is 5315105413211.

It is not a de Polignac number, because 1123145015135 - 2² = 1123145015131 is a prime.

It is a super-2 number, since 2×1123145015135² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123145015131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 185548769 + ... + 185554821.

It is an arithmetic number, because the mean of its divisors is an integer number (24936062760).

Almost surely, 2^{1123145015135} is an apocalyptic number.

1123145015135 is a deficient number, since it is larger than the sum of its proper divisors (472763001505).

1123145015135 is a wasteful number, since it uses less digits than its factorization.

1123145015135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 1123145015135 in words is "one trillion, one hundred twenty-three billion, one hundred forty-five million, fifteen thousand, one hundred thirty-five".