11506657211542 has 16 divisors (see below), whose sum is σ = 17519176326960. Its totient is φ = 5667136745472.

The previous prime is 11506657211501. The next prime is 11506657211593. The reversal of 11506657211542 is 24511275660511.

It is a super-3 number, since 3×11506657211542³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11506657211492 and 11506657211501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51131368 + ... + 51355915.

It is an arithmetic number, because the mean of its divisors is an integer number (1094948520435).

Almost surely, 2^{11506657211542} is an apocalyptic number.

11506657211542 is a deficient number, since it is larger than the sum of its proper divisors (6012519115418).

11506657211542 is a wasteful number, since it uses less digits than its factorization.

11506657211542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102488127.

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 11506657211542 in words is "eleven trillion, five hundred six billion, six hundred fifty-seven million, two hundred eleven thousand, five hundred forty-two".