2011532102154 has 12 divisors (see below), whose sum is σ = 4358319554706. Its totient is φ = 670510700712.

The previous prime is 2011532102123. The next prime is 2011532102171. The reversal of 2011532102154 is 4512012351102.

It is a happy number.

2011532102154 is a `hidden beast` number, since 2 + 0 + 11 + 532 + 102 + 15 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1701388923129 + 310143179025 = 1304373^2 + 556905^2 .

It is a super-2 number, since 2×2011532102154² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55875891709 + ... + 55875891744.

Almost surely, 2^{2011532102154} is an apocalyptic number.

2011532102154 is an abundant number, since it is smaller than the sum of its proper divisors (2346787452552).

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

2011532102154 is a wasteful number, since it uses less digits than its factorization.

2011532102154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111751783461 (or 111751783458 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 2011532102154 its reverse (4512012351102), we get a palindrome (6523544453256).

The spelling of 2011532102154 in words is "two trillion, eleven billion, five hundred thirty-two million, one hundred two thousand, one hundred fifty-four".