1125251354534 has 16 divisors (see below), whose sum is σ = 1746256227120. Its totient is φ = 543169868640.

The previous prime is 1125251354531. The next prime is 1125251354543. The reversal of 1125251354534 is 4354531525211.

It is a super-2 number, since 2×1125251354534² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1125251354491 and 1125251354500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125251354531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399224 + ... + 1552379.

It is an arithmetic number, because the mean of its divisors is an integer number (109141014195).

Almost surely, 2^{1125251354534} is an apocalyptic number.

1125251354534 is a deficient number, since it is larger than the sum of its proper divisors (621004872586).

1125251354534 is a wasteful number, since it uses less digits than its factorization.

1125251354534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961575.

The product of its digits is 360000, while the sum is 41.

Adding to 1125251354534 its reverse (4354531525211), we get a palindrome (5479782879745).

The spelling of 1125251354534 in words is "one trillion, one hundred twenty-five billion, two hundred fifty-one million, three hundred fifty-four thousand, five hundred thirty-four".