11510204032420 has 24 divisors (see below), whose sum is σ = 24227510686848. Its totient is φ = 4593399285600.

The previous prime is 11510204032403. The next prime is 11510204032471. The reversal of 11510204032420 is 2423040201511.

It is a super-2 number, since 2×11510204032420² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667636626 + ... + 667653865.

It is an arithmetic number, because the mean of its divisors is an integer number (1009479611952).

Almost surely, 2^{11510204032420} is an apocalyptic number.

11510204032420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11510204032420 is an abundant number, since it is smaller than the sum of its proper divisors (12717306654428).

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

11510204032420 is a wasteful number, since it uses less digits than its factorization.

11510204032420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335290931 (or 1335290929 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11510204032420 its reverse (2423040201511), we get a palindrome (13933244233931).

The spelling of 11510204032420 in words is "eleven trillion, five hundred ten billion, two hundred four million, thirty-two thousand, four hundred twenty".