2011554400245 has 32 divisors (see below), whose sum is σ = 3550601101824. Its totient is φ = 966149952000.

The previous prime is 2011554400139. The next prime is 2011554400369. The reversal of 2011554400245 is 5420044551102.

It is a happy number.

It is not a de Polignac number, because 2011554400245 - 2⁹ = 2011554399733 is a prime.

It is a super-2 number, since 2×2011554400245² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 125792781 + ... + 125808770.

It is an arithmetic number, because the mean of its divisors is an integer number (110956284432).

Almost surely, 2^{2011554400245} is an apocalyptic number.

It is an amenable number.

2011554400245 is a deficient number, since it is larger than the sum of its proper divisors (1539046701579).

2011554400245 is a wasteful number, since it uses less digits than its factorization.

2011554400245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251601613.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 2011554400245 its reverse (5420044551102), we get a palindrome (7431598951347).

The spelling of 2011554400245 in words is "two trillion, eleven billion, five hundred fifty-four million, four hundred thousand, two hundred forty-five".