11402140564 has 6 divisors (see below), whose sum is σ = 19953745994. Its totient is φ = 5701070280.

The previous prime is 11402140553. The next prime is 11402140573. The reversal of 11402140564 is 46504120411.

It can be written as a sum of positive squares in only one way, i.e., 11367824400 + 34316164 = 106620^2 + 5858^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1425267567 + ... + 1425267574.

Almost surely, 2^11402140564 is an apocalyptic number.

It is an amenable number.

11402140564 is a deficient number, since it is larger than the sum of its proper divisors (8551605430).

11402140564 is a wasteful number, since it uses less digits than its factorization.

11402140564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850535145 (or 2850535143 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 11402140564 its reverse (46504120411), we get a palindrome (57906260975).

The spelling of 11402140564 in words is "eleven billion, four hundred two million, one hundred forty thousand, five hundred sixty-four".