11551520402030 has 32 divisors (see below), whose sum is σ = 23776322351040. Its totient is φ = 3958322169600.

The previous prime is 11551520402003. The next prime is 11551520402047. The reversal of 11551520402030 is 3020402515511.

It is a junction number, because it is equal to n+sod(n) for n = 11551520401984 and 11551520402002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45687845 + ... + 45939984.

It is an arithmetic number, because the mean of its divisors is an integer number (743010073470).

Almost surely, 2^{11551520402030} is an apocalyptic number.

11551520402030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11551520402030 is an abundant number, since it is smaller than the sum of its proper divisors (12224801949010).

11551520402030 is a wasteful number, since it uses less digits than its factorization.

11551520402030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91629644.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 11551520402030 its reverse (3020402515511), we get a palindrome (14571922917541).

The spelling of 11551520402030 in words is "eleven trillion, five hundred fifty-one billion, five hundred twenty million, four hundred two thousand, thirty".