22154003555461 has 12 divisors (see below), whose sum is σ = 23865300211680. Its totient is φ = 20557153238720.

The previous prime is 22154003555449. The next prime is 22154003555471. The reversal of 22154003555461 is 16455530045122.

It is a de Polignac number, because none of the positive numbers 2^k-22154003555461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22154003555471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 539820691 + ... + 539861728.

It is an arithmetic number, because the mean of its divisors is an integer number (1988775017640).

Almost surely, 2^{22154003555461} is an apocalyptic number.

It is an amenable number.

22154003555461 is a deficient number, since it is larger than the sum of its proper divisors (1711296656219).

22154003555461 is a wasteful number, since it uses less digits than its factorization.

22154003555461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079682524 (or 1079682507 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 22154003555461 in words is "twenty-two trillion, one hundred fifty-four billion, three million, five hundred fifty-five thousand, four hundred sixty-one".