11320535515240 has 64 divisors (see below), whose sum is σ = 29212810680960. Its totient is φ = 3867611500800.

The previous prime is 11320535515187. The next prime is 11320535515301. The reversal of 11320535515240 is 4251553502311.

It is a super-3 number, since 3×11320535515240³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11320535515240.

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, 71352711 + ... + 71511190.

It is an arithmetic number, because the mean of its divisors is an integer number (456450166890).

Almost surely, 2^{11320535515240} is an apocalyptic number.

11320535515240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11320535515240 is an abundant number, since it is smaller than the sum of its proper divisors (17892275165720).

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

11320535515240 is a wasteful number, since it uses less digits than its factorization.

11320535515240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142864202 (or 142864198 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 11320535515240 in words is "eleven trillion, three hundred twenty billion, five hundred thirty-five million, five hundred fifteen thousand, two hundred forty".