11139400628 has 12 divisors (see below), whose sum is σ = 19908716352. Its totient is φ = 5451195960.

The previous prime is 11139400607. The next prime is 11139400631. The reversal of 11139400628 is 82600493111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29625878 + ... + 29626253.

It is an arithmetic number, because the mean of its divisors is an integer number (1659059696).

Almost surely, 2^11139400628 is an apocalyptic number.

It is an amenable number.

11139400628 is a deficient number, since it is larger than the sum of its proper divisors (8769315724).

11139400628 is a wasteful number, since it uses less digits than its factorization.

11139400628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59252182 (or 59252180 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

Adding to 11139400628 its reverse (82600493111), we get a palindrome (93739893739).

The spelling of 11139400628 in words is "eleven billion, one hundred thirty-nine million, four hundred thousand, six hundred twenty-eight".