11520234215154 has 32 divisors (see below), whose sum is σ = 29257737690240. Its totient is φ = 3291495489936.

The previous prime is 11520234215123. The next prime is 11520234215173. The reversal of 11520234215154 is 45151243202511.

11520234215154 is a `hidden beast` number, since 1 + 1 + 520 + 2 + 34 + 2 + 1 + 51 + 54 = 666.

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, 15238404669 + ... + 15238405424.

It is an arithmetic number, because the mean of its divisors is an integer number (914304302820).

Almost surely, 2^{11520234215154} is an apocalyptic number.

11520234215154 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11520234215154 is an abundant number, since it is smaller than the sum of its proper divisors (17737503475086).

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

11520234215154 is a wasteful number, since it uses less digits than its factorization.

11520234215154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30476810111 (or 30476810105 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 11520234215154 its reverse (45151243202511), we get a palindrome (56671477417665).

The spelling of 11520234215154 in words is "eleven trillion, five hundred twenty billion, two hundred thirty-four million, two hundred fifteen thousand, one hundred fifty-four".