11553251512 has 16 divisors (see below), whose sum is σ = 23631651000. Its totient is φ = 5251477920.

The previous prime is 11553251477. The next prime is 11553251513. The reversal of 11553251512 is 21515235511.

It is a super-2 number, since 2×11553251512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553251513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65643387 + ... + 65643562.

Almost surely, 2^11553251512 is an apocalyptic number.

It is an amenable number.

11553251512 is an abundant number, since it is smaller than the sum of its proper divisors (12078399488).

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

11553251512 is a wasteful number, since it uses less digits than its factorization.

11553251512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131286966 (or 131286962 counting only the distinct ones).

The product of its digits is 7500, while the sum is 31.

The spelling of 11553251512 in words is "eleven billion, five hundred fifty-three million, two hundred fifty-one thousand, five hundred twelve".