2120040515554 has 64 divisors (see below), whose sum is σ = 3690497381760. Its totient is φ = 905229043200.

The previous prime is 2120040515521. The next prime is 2120040515563. The reversal of 2120040515554 is 4555150400212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3351229 + ... + 3933295.

It is an arithmetic number, because the mean of its divisors is an integer number (57664021590).

Almost surely, 2^{2120040515554} is an apocalyptic number.

2120040515554 is a deficient number, since it is larger than the sum of its proper divisors (1570456866206).

2120040515554 is a wasteful number, since it uses less digits than its factorization.

2120040515554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582275.

The product of its (nonzero) digits is 40000, while the sum is 34.

Adding to 2120040515554 its reverse (4555150400212), we get a palindrome (6675190915766).

The spelling of 2120040515554 in words is "two trillion, one hundred twenty billion, forty million, five hundred fifteen thousand, five hundred fifty-four".