11552507142 has 16 divisors (see below), whose sum is σ = 25205470272. Its totient is φ = 3500759720.

The previous prime is 11552507123. The next prime is 11552507189. The reversal of 11552507142 is 24170525511.

It is a super-2 number, since 2×11552507142² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87518928 + ... + 87519059.

It is an arithmetic number, because the mean of its divisors is an integer number (1575341892).

Almost surely, 2^11552507142 is an apocalyptic number.

11552507142 is an abundant number, since it is smaller than the sum of its proper divisors (13652963130).

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

11552507142 is a wasteful number, since it uses less digits than its factorization.

11552507142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175038003.

The product of its (nonzero) digits is 14000, while the sum is 33.

The spelling of 11552507142 in words is "eleven billion, five hundred fifty-two million, five hundred seven thousand, one hundred forty-two".