11125656534 has 16 divisors (see below), whose sum is σ = 22253400000. Its totient is φ = 3708204360.

The previous prime is 11125656527. The next prime is 11125656539. The reversal of 11125656534 is 43565652111.

It is a super-3 number, since 3×11125656534³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11125656492 and 11125656501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11125656539) 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, 12784 + ... + 149715.

It is an arithmetic number, because the mean of its divisors is an integer number (1390837500).

Almost surely, 2^11125656534 is an apocalyptic number.

11125656534 is an abundant number, since it is smaller than the sum of its proper divisors (11127743466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11125656534 is a wasteful number, since it uses less digits than its factorization.

11125656534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173915.

The product of its digits is 108000, while the sum is 39.

The spelling of 11125656534 in words is "eleven billion, one hundred twenty-five million, six hundred fifty-six thousand, five hundred thirty-four".