11252515943530 has 8 divisors (see below), whose sum is σ = 20254528698372. Its totient is φ = 4501006377408.

The previous prime is 11252515943509. The next prime is 11252515943531. The reversal of 11252515943530 is 3534951525211.

It is a happy number.

It is a Cunningham number, because it is equal to 3354477²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 11252515943529 + 1 = 3354477^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11252515943530² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11252515943531) 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, 562625797167 + ... + 562625797186.

Almost surely, 2^{11252515943530} is an apocalyptic number.

11252515943530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11252515943530 is a deficient number, since it is larger than the sum of its proper divisors (9002012754842).

11252515943530 is a wasteful number, since it uses less digits than its factorization.

11252515943530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125251594360.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 11252515943530 in words is "eleven trillion, two hundred fifty-two billion, five hundred fifteen million, nine hundred forty-three thousand, five hundred thirty".